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{"id": "NEWSTART_CGSL_NS-SA-2021-0148_SQUID.NASL", "vendorId": null, "type": "nessus", "bulletinFamily": "scanner", "title": "NewStart CGSL CORE 5.05 / MAIN 5.05 : squid Multiple Vulnerabilities (NS-SA-2021-0148)", "description": "The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, has squid packages installed that are affected by multiple vulnerabilities:\n\n - An issue was discovered in Squid before 4.10. It allows a crafted FTP server to trigger disclosure of sensitive information from heap memory, such as information associated with other users' sessions or non- Squid processes. (CVE-2019-12528)\n\n - An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing +\\ - or an uncommon shell whitespace character prefix to the length field-value. (CVE-2020-15049)\n\n - An issue was discovered in Squid before 4.13 and 5.x before 5.0.4. Due to incorrect data validation, HTTP Request Smuggling attacks may succeed against HTTP and HTTPS traffic. This leads to cache poisoning. This allows any client, including browser scripts, to bypass local security and poison the proxy cache and any downstream caches with content from an arbitrary source. When configured for relaxed header parsing (the default), Squid relays headers containing whitespace characters to upstream servers. When this occurs as a prefix to a Content-Length header, the frame length specified will be ignored by Squid (allowing for a conflicting length to be used from another Content-Length header) but relayed upstream. (CVE-2020-15810)\n\n - An issue was discovered in Squid before 4.13 and 5.x before 5.0.4. Due to incorrect data validation, HTTP Request Splitting attacks may succeed against HTTP and HTTPS traffic. This leads to cache poisoning. This allows any client, including browser scripts, to bypass local security and poison the browser cache and any downstream caches with content from an arbitrary source. Squid uses a string search instead of parsing the Transfer-Encoding header to find chunked encoding. This allows an attacker to hide a second request inside Transfer-Encoding: it is interpreted by Squid as chunked and split out into a second request delivered upstream. Squid will then deliver two distinct responses to the client, corrupting any downstream caches. (CVE-2020-15811)\n\n - Squid before 4.13 and 5.x before 5.0.4 allows a trusted peer to perform Denial of Service by consuming all available CPU cycles during handling of a crafted Cache Digest response message. This only occurs when cache_peer is used with the cache digests feature. The problem exists because peerDigestHandleReply() livelocking in peer_digest.cc mishandles EOF. (CVE-2020-24606)\n\n - An issue was discovered in Squid before 4.10. Due to incorrect input validation, it can interpret crafted HTTP requests in unexpected ways to access server resources prohibited by earlier security filters.\n (CVE-2020-8449)\n\n - An issue was discovered in Squid before 4.10. Due to incorrect buffer management, a remote client can cause a buffer overflow in a Squid instance acting as a reverse proxy. (CVE-2020-8450)\n\nNote that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.", "published": "2021-10-27T00:00:00", "modified": "2022-05-09T00:00:00", "epss": [], "cvss": {"score": 0.0, "vector": "NONE"}, "cvss2": {}, "cvss3": {}, "href": "https://www.tenable.com/plugins/nessus/154581", "reporter": "This script is Copyright (C) 2021-2022 and is owned by Tenable, Inc. or an Affiliate thereof.", "references": ["http://security.gd-linux.com/info/CVE-2020-8450", "http://security.gd-linux.com/info/CVE-2019-12528", "http://security.gd-linux.com/info/CVE-2020-15810", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24606", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8449", "http://security.gd-linux.com/notice/NS-SA-2021-0148", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8450", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15811", "http://security.gd-linux.com/info/CVE-2020-15811", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15049", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12528", "http://security.gd-linux.com/info/CVE-2020-15049", "http://security.gd-linux.com/info/CVE-2020-24606", "http://security.gd-linux.com/info/CVE-2020-8449", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15810"], "cvelist": ["CVE-2019-12528", "CVE-2020-15049", "CVE-2020-15810", "CVE-2020-15811", "CVE-2020-24606", "CVE-2020-8449", "CVE-2020-8450"], "immutableFields": [], "lastseen": "2023-05-18T15:34:45", "viewCount": 7, "enchantments": {"dependencies": {"references": [{"type": "almalinux", "idList": ["ALSA-2020:4743"]}, {"type": "altlinux", "idList": ["F7336A12B4B581B50ACA516BE4EA6F7E"]}, {"type": "amazon", "idList": ["ALAS-2020-1453", "ALAS2-2020-1486", "ALAS2-2020-1548"]}, {"type": "centos", "idList": ["CESA-2020:4082"]}, {"type": "checkpoint_advisories", "idList": ["CPAI-2020-1279"]}, {"type": "cloudlinux", "idList": ["CLSA-2021:1628782974", 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["H1:758445", "H1:824163"]}, {"type": "ibm", "idList": ["0A425AE154320282FF38ABB3C8BA8D3AD10793B88A3CFCA031B295F986453B12"]}, {"type": "mageia", "idList": ["MGASA-2020-0106", "MGASA-2020-0361"]}, {"type": "nessus", "idList": ["AL2_ALAS-2020-1486.NASL", "AL2_ALAS-2020-1548.NASL", "ALA_ALAS-2020-1453.NASL", "CENTOS8_RHSA-2020-3623.NASL", "CENTOS8_RHSA-2020-4743.NASL", "CENTOS_RHSA-2020-4082.NASL", "DEBIAN_DLA-2278.NASL", "DEBIAN_DLA-2394.NASL", "DEBIAN_DSA-4682.NASL", "DEBIAN_DSA-4732.NASL", "DEBIAN_DSA-4751.NASL", "EULEROS_SA-2020-1326.NASL", "EULEROS_SA-2020-1591.NASL", "EULEROS_SA-2020-1666.NASL", "EULEROS_SA-2020-1884.NASL", "EULEROS_SA-2020-2127.NASL", "EULEROS_SA-2020-2159.NASL", "EULEROS_SA-2020-2273.NASL", "EULEROS_SA-2020-2300.NASL", "EULEROS_SA-2020-2323.NASL", "EULEROS_SA-2020-2399.NASL", "EULEROS_SA-2020-2534.NASL", "EULEROS_SA-2021-1123.NASL", "EULEROS_SA-2021-1234.NASL", "EULEROS_SA-2021-1363.NASL", "FEDORA_2020-63F3BD656E.NASL", "FEDORA_2020-73AF8655EB.NASL", 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"UBUNTU_USN-4551-1.NASL", "UBUNTU_USN-4895-1.NASL", "WEB_APPLICATION_SCANNING_112687", "WEB_APPLICATION_SCANNING_112688", "WEB_APPLICATION_SCANNING_112689", "WEB_APPLICATION_SCANNING_112690", "WEB_APPLICATION_SCANNING_112693"]}, {"type": "openvas", "idList": ["OPENVAS:1361412562310143454", "OPENVAS:1361412562310144212", "OPENVAS:1361412562310704682", "OPENVAS:1361412562310844350", "OPENVAS:1361412562310853062", "OPENVAS:1361412562310853140", "OPENVAS:1361412562310853156", "OPENVAS:1361412562310877661", "OPENVAS:1361412562310877663", "OPENVAS:1361412562310877853", "OPENVAS:1361412562310892278", "OPENVAS:1361412562311220201326", "OPENVAS:1361412562311220201591", "OPENVAS:1361412562311220201666"]}, {"type": "oraclelinux", "idList": ["ELSA-2020-3623", "ELSA-2020-4082", "ELSA-2020-4743"]}, {"type": "osv", "idList": ["OSV:DLA-2278-1", "OSV:DLA-2394-1", "OSV:DSA-4682-1", "OSV:DSA-4732-1", "OSV:DSA-4751-1"]}, {"type": "redhat", "idList": ["RHSA-2020:3623", "RHSA-2020:4082", "RHSA-2020:4743"]}, {"type": "redhatcve", "idList": ["RH:CVE-2019-12528", "RH:CVE-2020-15049", "RH:CVE-2020-15810", "RH:CVE-2020-15811", "RH:CVE-2020-24606", "RH:CVE-2020-8449", "RH:CVE-2020-8450"]}, {"type": "rocky", "idList": ["RLSA-2020:3623", "RLSA-2020:4743"]}, {"type": "rosalinux", "idList": ["ROSA-SA-2021-1976"]}, {"type": "suse", "idList": ["OPENSUSE-SU-2020:0307-1", "OPENSUSE-SU-2020:0606-1", "OPENSUSE-SU-2020:0623-1", "OPENSUSE-SU-2020:1346-1", "OPENSUSE-SU-2020:1369-1"]}, {"type": "ubuntu", "idList": ["USN-4289-1", "USN-4477-1", "USN-4551-1", "USN-4895-1"]}, {"type": "ubuntucve", "idList": ["UB:CVE-2019-12528", "UB:CVE-2020-15049", "UB:CVE-2020-15810", "UB:CVE-2020-15811", "UB:CVE-2020-24606", "UB:CVE-2020-8449", "UB:CVE-2020-8450"]}, {"type": "veracode", "idList": ["VERACODE:26127", "VERACODE:26146", "VERACODE:26147", "VERACODE:26842", "VERACODE:27026", "VERACODE:27274", "VERACODE:27294"]}]}, "score": {"value": -0.3, "vector": "NONE"}, "backreferences": {"references": [{"type": "almalinux", "idList": ["ALSA-2020:4743"]}, {"type": "amazon", "idList": ["ALAS2-2020-1486", "ALAS2-2020-1548"]}, {"type": "centos", "idList": ["CESA-2020:4082"]}, {"type": "checkpoint_advisories", "idList": ["CPAI-2020-1279"]}, {"type": "cloudlinux", "idList": ["CLSA-2021:1628782974", "CLSA-2021:1629902677"]}, {"type": "cve", "idList": ["CVE-2019-12528", "CVE-2020-15810", "CVE-2020-15811", "CVE-2020-8449", "CVE-2020-8450"]}, {"type": "debian", "idList": ["DEBIAN:DSA-4682-1:5FB04"]}, {"type": "debiancve", "idList": ["DEBIANCVE:CVE-2019-12528", "DEBIANCVE:CVE-2020-15049", "DEBIANCVE:CVE-2020-15810", "DEBIANCVE:CVE-2020-15811", "DEBIANCVE:CVE-2020-24606", "DEBIANCVE:CVE-2020-8449", "DEBIANCVE:CVE-2020-8450"]}, {"type": "fedora", "idList": ["FEDORA:0EDF2610C907", "FEDORA:206DA6300307", "FEDORA:6CCDC3093144", "FEDORA:6E1AA30C325C", "FEDORA:BA99330B0A30", "FEDORA:E738630A4CE1", "FEDORA:F0A8D6048176"]}, {"type": "freebsd", "idList": ["57C1C2EE-7914-11EA-90BF-0800276545C1"]}, {"type": "gentoo", "idList": ["GLSA-202003-34"]}, {"type": "hackerone", "idList": ["H1:758445", "H1:824163"]}, {"type": "ibm", "idList": ["0A425AE154320282FF38ABB3C8BA8D3AD10793B88A3CFCA031B295F986453B12"]}, {"type": "nessus", "idList": ["AL2_ALAS-2020-1486.NASL", "CENTOS_RHSA-2020-4082.NASL", "DEBIAN_DSA-4682.NASL", "FREEBSD_PKG_57C1C2EE791411EA90BF0800276545C1.NASL", "GENTOO_GLSA-202003-34.NASL", "OPENSUSE-2020-307.NASL", "OPENSUSE-2020-606.NASL", "OPENSUSE-2020-623.NASL", "SUSE_SU-2020-0487-1.NASL", "SUSE_SU-2020-0493-1.NASL", "SUSE_SU-2020-0661-1.NASL", "SUSE_SU-2020-1134-1.NASL", "SUSE_SU-2020-1156-1.NASL", "SUSE_SU-2020-14460-1.NASL", "SUSE_SU-2020-14590-1.NASL", "UBUNTU_USN-4289-1.NASL"]}, {"type": "openvas", "idList": ["OPENVAS:1361412562310143454", "OPENVAS:1361412562310704682", "OPENVAS:1361412562310844350", "OPENVAS:1361412562310853062", "OPENVAS:1361412562310853140", "OPENVAS:1361412562310853156"]}, {"type": "oraclelinux", "idList": ["ELSA-2020-3623"]}, {"type": "redhat", "idList": ["RHSA-2020:3623"]}, {"type": "redhatcve", "idList": ["RH:CVE-2020-15049", "RH:CVE-2020-15810", "RH:CVE-2020-15811", "RH:CVE-2020-24606", "RH:CVE-2020-8449", "RH:CVE-2020-8450"]}, {"type": "suse", "idList": ["OPENSUSE-SU-2020:0307-1", "OPENSUSE-SU-2020:0606-1", "OPENSUSE-SU-2020:0623-1", "OPENSUSE-SU-2020:1346-1"]}, {"type": "ubuntu", "idList": ["USN-4289-1"]}, {"type": "ubuntucve", "idList": ["UB:CVE-2019-12528", "UB:CVE-2020-15049", "UB:CVE-2020-15810", "UB:CVE-2020-15811", "UB:CVE-2020-24606", "UB:CVE-2020-8449", "UB:CVE-2020-8450"]}]}, "exploitation": null, "epss": [{"cve": "CVE-2019-12528", "epss": 0.04578, "percentile": 0.91291, "modified": "2023-05-03"}, {"cve": "CVE-2020-15049", "epss": 0.00729, "percentile": 0.77977, "modified": "2023-05-02"}, {"cve": "CVE-2020-15810", "epss": 0.00191, "percentile": 0.55179, "modified": "2023-05-02"}, {"cve": "CVE-2020-15811", "epss": 0.00145, "percentile": 0.48967, "modified": "2023-05-03"}, {"cve": "CVE-2020-24606", "epss": 0.00992, "percentile": 0.81334, "modified": "2023-05-02"}, {"cve": "CVE-2020-8449", "epss": 0.0063, "percentile": 0.75927, "modified": "2023-05-03"}, {"cve": "CVE-2020-8450", "epss": 0.96715, "percentile": 0.99424, "modified": "2023-05-03"}], "vulnersScore": -0.3}, "_state": {"dependencies": 1684451753, "score": 1684424086, "epss": 0}, "_internal": {"score_hash": "943e2dd9fbe939109012c5b9a5034b2a"}, "pluginID": "154581", "sourceData": "#%NASL_MIN_LEVEL 70300\n##\n# (C) Tenable Network Security, Inc.\n#\n# The descriptive text and package checks in this plugin were\n# extracted from ZTE advisory NS-SA-2021-0148. The text\n# itself is copyright (C) ZTE, Inc.\n##\n\ninclude('deprecated_nasl_level.inc');\ninclude('compat.inc');\n\nif (description)\n{\n script_id(154581);\n script_version(\"1.3\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2022/05/09\");\n\n script_cve_id(\n \"CVE-2019-12528\",\n \"CVE-2020-8449\",\n \"CVE-2020-8450\",\n \"CVE-2020-15049\",\n \"CVE-2020-15810\",\n \"CVE-2020-15811\",\n \"CVE-2020-24606\"\n );\n script_xref(name:\"IAVB\", value:\"2020-B-0050-S\");\n\n script_name(english:\"NewStart CGSL CORE 5.05 / MAIN 5.05 : squid Multiple Vulnerabilities (NS-SA-2021-0148)\");\n\n script_set_attribute(attribute:\"synopsis\", value:\n\"The remote NewStart CGSL host is affected by multiple vulnerabilities.\");\n script_set_attribute(attribute:\"description\", value:\n\"The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, has squid packages installed that are affected by\nmultiple vulnerabilities:\n\n - An issue was discovered in Squid before 4.10. It allows a crafted FTP server to trigger disclosure of\n sensitive information from heap memory, such as information associated with other users' sessions or non-\n Squid processes. (CVE-2019-12528)\n\n - An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A\n Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP\n request with a Content-Length header containing +\\ - or an uncommon shell whitespace character prefix\n to the length field-value. (CVE-2020-15049)\n\n - An issue was discovered in Squid before 4.13 and 5.x before 5.0.4. Due to incorrect data validation, HTTP\n Request Smuggling attacks may succeed against HTTP and HTTPS traffic. This leads to cache poisoning. This\n allows any client, including browser scripts, to bypass local security and poison the proxy cache and any\n downstream caches with content from an arbitrary source. When configured for relaxed header parsing (the\n default), Squid relays headers containing whitespace characters to upstream servers. When this occurs as a\n prefix to a Content-Length header, the frame length specified will be ignored by Squid (allowing for a\n conflicting length to be used from another Content-Length header) but relayed upstream. (CVE-2020-15810)\n\n - An issue was discovered in Squid before 4.13 and 5.x before 5.0.4. Due to incorrect data validation, HTTP\n Request Splitting attacks may succeed against HTTP and HTTPS traffic. This leads to cache poisoning. This\n allows any client, including browser scripts, to bypass local security and poison the browser cache and\n any downstream caches with content from an arbitrary source. Squid uses a string search instead of parsing\n the Transfer-Encoding header to find chunked encoding. This allows an attacker to hide a second request\n inside Transfer-Encoding: it is interpreted by Squid as chunked and split out into a second request\n delivered upstream. Squid will then deliver two distinct responses to the client, corrupting any\n downstream caches. (CVE-2020-15811)\n\n - Squid before 4.13 and 5.x before 5.0.4 allows a trusted peer to perform Denial of Service by consuming all\n available CPU cycles during handling of a crafted Cache Digest response message. This only occurs when\n cache_peer is used with the cache digests feature. The problem exists because peerDigestHandleReply()\n livelocking in peer_digest.cc mishandles EOF. (CVE-2020-24606)\n\n - An issue was discovered in Squid before 4.10. Due to incorrect input validation, it can interpret crafted\n HTTP requests in unexpected ways to access server resources prohibited by earlier security filters.\n (CVE-2020-8449)\n\n - An issue was discovered in Squid before 4.10. Due to incorrect buffer management, a remote client can\n cause a buffer overflow in a Squid instance acting as a reverse proxy. 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'content/dist/rhel8/8/x86_64/rt/source/SRPMS',\n 'content/dist/rhel8/8/x86_64/sap-solutions/debug',\n 'content/dist/rhel8/8/x86_64/sap-solutions/os',\n 'content/dist/rhel8/8/x86_64/sap-solutions/source/SRPMS',\n 'content/dist/rhel8/8/x86_64/sap/debug',\n 'content/dist/rhel8/8/x86_64/sap/os',\n 'content/dist/rhel8/8/x86_64/sap/source/SRPMS',\n 'content/dist/rhel8/8/x86_64/supplementary/debug',\n 'content/dist/rhel8/8/x86_64/supplementary/os',\n 'content/dist/rhel8/8/x86_64/supplementary/source/SRPMS'\n ],\n 'pkgs': [\n {'reference':'libecap-1.0.1-2.module+el8.1.0+4044+36416a77', 'release':'8', 'el_string':'el8.1.0', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77', 'release':'8', 'el_string':'el8.1.0', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'squid-4.11-3.module+el8.3.0+7851+7808b5f9', 'release':'8', 'el_string':'el8.3.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'7'}\n ]\n }\n ]\n};\n\nvar applicable_repo_urls = rhel_determine_applicable_repository_urls(constraints:appstreams, appstreams:TRUE);\nif(applicable_repo_urls == RHEL_REPOS_NO_OVERLAP_MESSAGE) exit(0, RHEL_REPO_NOT_ENABLED);\n\nvar module_ver = get_kb_item('Host/RedHat/appstream/squid');\nif (isnull(module_ver)) audit(AUDIT_PACKAGE_NOT_INSTALLED, 'Module squid:4');\nif ('4' >!< module_ver) audit(AUDIT_PACKAGE_NOT_AFFECTED, 'Module squid:' + module_ver);\n\nvar flag = 0;\nvar appstreams_found = 0;\nforeach var module (keys(appstreams)) {\n var appstream = NULL;\n var appstream_name = NULL;\n var appstream_version = NULL;\n var appstream_split = split(module, sep:':', keep:FALSE);\n if (!empty_or_null(appstream_split)) {\n appstream_name = appstream_split[0];\n appstream_version = appstream_split[1];\n if (!empty_or_null(appstream_name)) appstream = get_one_kb_item('Host/RedHat/appstream/' + appstream_name);\n }\n if (!empty_or_null(appstream) && appstream_version == appstream || appstream_name == 'all') {\n appstreams_found++;\n foreach var module_array ( appstreams[module] ) {\n var repo_relative_urls = NULL;\n if (!empty_or_null(module_array['repo_relative_urls'])) repo_relative_urls = module_array['repo_relative_urls'];\n var enterprise_linux_flag = rhel_repo_urls_has_content_dist_rhel(repo_urls:repo_relative_urls);\n foreach var package_array ( module_array['pkgs'] ) {\n var reference = NULL;\n var _release = NULL;\n var sp = NULL;\n var _cpu = NULL;\n var el_string = NULL;\n var rpm_spec_vers_cmp = NULL;\n var epoch = NULL;\n var allowmaj = NULL;\n var exists_check = NULL;\n if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];\n if (!empty_or_null(package_array['release'])) _release = 'RHEL' + package_array['release'];\n if (!empty_or_null(package_array['sp']) && !enterprise_linux_flag) sp = package_array['sp'];\n if (!empty_or_null(package_array['cpu'])) _cpu = package_array['cpu'];\n if (!empty_or_null(package_array['el_string'])) el_string = package_array['el_string'];\n if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];\n if (!empty_or_null(package_array['epoch'])) epoch = package_array['epoch'];\n if (!empty_or_null(package_array['allowmaj'])) allowmaj = package_array['allowmaj'];\n if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];\n if (reference &&\n _release &&\n rhel_decide_repo_relative_url_check(required_repo_url_list:repo_relative_urls) &&\n (applicable_repo_urls || (!exists_check || rpm_exists(release:_release, rpm:exists_check))) &&\n rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;\n }\n }\n }\n}\n\nif (!appstreams_found) audit(AUDIT_PACKAGE_NOT_INSTALLED, 'Module squid:4');\n\nif (flag)\n{\n var extra = NULL;\n if (empty_or_null(applicable_repo_urls)) extra = rpm_report_get() + redhat_report_repo_caveat();\n else extra = rpm_report_get();\n security_report_v4(\n port : 0,\n severity : SECURITY_HOLE,\n extra : extra\n );\n exit(0);\n}\nelse\n{\n var tested = pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'libecap / libecap-devel / squid');\n}\n", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-09-10T16:45:58", "description": "The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-4743 advisory.\n\n - An issue was discovered in Squid before 4.10. It allows a crafted FTP server to trigger disclosure of sensitive information from heap memory, such as information associated with other users' sessions or non- Squid processes. (CVE-2019-12528)\n\n - An issue was discovered in Squid before 4.10. Due to incorrect buffer management, a remote client can cause a buffer overflow in a Squid instance acting as a reverse proxy. (CVE-2020-8450)\n\n - An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing +\\ - or an uncommon shell whitespace character prefix to the length field-value. (CVE-2020-15049)\n\n - Squid before 4.13 and 5.x before 5.0.4 allows a trusted peer to perform Denial of Service by consuming all available CPU cycles during handling of a crafted Cache Digest response message. This only occurs when cache_peer is used with the cache digests feature. The problem exists because peerDigestHandleReply() livelocking in peer_digest.cc mishandles EOF. (CVE-2020-24606)\n\n - An issue was discovered in Squid before 4.10. Due to incorrect input validation, it can interpret crafted HTTP requests in unexpected ways to access server resources prohibited by earlier security filters.\n (CVE-2020-8449)\n\n - An issue was discovered in Squid through 4.7. When Squid is parsing ESI, it keeps the ESI elements in ESIContext. ESIContext contains a buffer for holding a stack of ESIElements. When a new ESIElement is parsed, it is added via addStackElement. addStackElement has a check for the number of elements in this buffer, but it's off by 1, leading to a Heap Overflow of 1 element. The overflow is within the same structure so it can't affect adjacent memory blocks, and thus just leads to a crash while processing.\n (CVE-2019-12521)\n\n - An issue was discovered in Squid before 4.9. When handling a URN request, a corresponding HTTP request is made. This HTTP request doesn't go through the access checks that incoming HTTP requests go through. This causes all access checks to be bypassed and allows access to restricted HTTP servers, e.g., an attacker can connect to HTTP servers that only listen on localhost. (CVE-2019-12523)\n\n - An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to see if the request should be denied. Squid by default comes with rules to block access to the Cache Manager, which serves detailed server information meant for the maintainer. This rule is implemented via url_regex. The handler for url_regex rules URL decodes an incoming request. This allows an attacker to encode their URL to bypass the url_regex check, and gain access to the blocked resource. (CVE-2019-12524)\n\n - An issue was discovered in Squid before 4.9. URN response handling in Squid suffers from a heap-based buffer overflow. When receiving data from a remote server in response to an URN request, Squid fails to ensure that the response can fit within the buffer. This leads to attacker controlled data overflowing in the heap. (CVE-2019-12526)\n\n - An issue was discovered in Squid 2.x through 2.7.STABLE9, 3.x through 3.5.28, and 4.x through 4.7. When Squid is configured to use Basic Authentication, the Proxy-Authorization header is parsed via uudecode.\n uudecode determines how many bytes will be decoded by iterating over the input and checking its table. The length is then used to start decoding the string. There are no checks to ensure that the length it calculates isn't greater than the input buffer. This leads to adjacent memory being decoded as well. An attacker would not be able to retrieve the decoded data unless the Squid maintainer had configured the display of usernames on error pages. (CVE-2019-12529)\n\n - Squid before 4.9, when certain web browsers are used, mishandles HTML in the host (aka hostname) parameter to cachemgr.cgi. (CVE-2019-18860)\n\n - An issue was discovered in Squid before 4.12 and 5.x before 5.0.3. Due to use of a potentially dangerous function, Squid and the default certificate validation helper are vulnerable to a Denial of Service when opening a TLS connection to an attacker-controlled server for HTTPS. This occurs because unrecognized error values are mapped to NULL, but later code expects that each error value is mapped to a valid error string. (CVE-2020-14058)\n\n - An issue was discovered in Squid through 4.7 and 5. When receiving a request, Squid checks its cache to see if it can serve up a response. It does this by making a MD5 hash of the absolute URL of the request.\n If found, it servers the request. The absolute URL can include the decoded UserInfo (username and password) for certain protocols. This decoded info is prepended to the domain. This allows an attacker to provide a username that has special characters to delimit the domain, and treat the rest of the URL as a path or query string. An attacker could first make a request to their domain using an encoded username, then when a request for the target domain comes in that decodes to the exact URL, it will serve the attacker's HTML instead of the real HTML. On Squid servers that also act as reverse proxies, this allows an attacker to gain access to features that only reverse proxies can use, such as ESI. (CVE-2019-12520)\n\n - Due to incorrect string termination, Squid cachemgr.cgi 4.0 through 4.7 may access unallocated memory. On systems with memory access protections, this can cause the CGI process to terminate unexpectedly, resulting in a denial of service for all clients using it. (CVE-2019-12854)\n\n - An issue was discovered in Squid 3.x and 4.x through 4.8. Due to incorrect input validation, there is a heap-based buffer overflow that can result in Denial of Service to all clients using the proxy. Severity is high due to this vulnerability occurring before normal security checks; any remote client that can reach the proxy port can trivially perform the attack via a crafted URI scheme. (CVE-2019-18676)\n\n - An issue was discovered in Squid 3.x and 4.x through 4.8 when the append_domain setting is used (because the appended characters do not properly interact with hostname length restrictions). Due to incorrect message processing, it can inappropriately redirect traffic to origins it should not be delivered to.\n (CVE-2019-18677)\n\n - An issue was discovered in Squid 3.x and 4.x through 4.8. It allows attackers to smuggle HTTP requests through frontend software to a Squid instance that splits the HTTP Request pipeline differently. The resulting Response messages corrupt caches (between a client and Squid) with attacker-controlled content at arbitrary URLs. Effects are isolated to software between the attacker client and Squid. There are no effects on Squid itself, nor on any upstream servers. The issue is related to a request header containing whitespace between a header name and a colon. (CVE-2019-18678)\n\n - An issue was discovered in Squid 2.x, 3.x, and 4.x through 4.8. Due to incorrect data management, it is vulnerable to information disclosure when processing HTTP Digest Authentication. Nonce tokens contain the raw byte value of a pointer that sits within heap memory allocation. This information reduces ASLR protections and may aid attackers isolating memory areas to target for remote code execution attacks.\n (CVE-2019-18679)\n\nNote that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.", "cvss3": {}, "published": "2023-09-07T00:00:00", "type": "nessus", "title": "Oracle Linux 8 : squid:4 (ELSA-2020-4743)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2019-12520", "CVE-2019-12521", "CVE-2019-12523", "CVE-2019-12524", "CVE-2019-12526", "CVE-2019-12528", "CVE-2019-12529", "CVE-2019-12854", "CVE-2019-18676", "CVE-2019-18677", "CVE-2019-18678", "CVE-2019-18679", "CVE-2019-18860", "CVE-2020-14058", "CVE-2020-15049", "CVE-2020-24606", "CVE-2020-8449", "CVE-2020-8450"], "modified": "2023-09-07T00:00:00", "cpe": ["cpe:/o:oracle:linux:8", "p-cpe:/a:oracle:linux:libecap", "p-cpe:/a:oracle:linux:libecap-devel", "p-cpe:/a:oracle:linux:squid"], "id": "ORACLELINUX_ELSA-2020-4743.NASL", "href": "https://www.tenable.com/plugins/nessus/180917", "sourceData": "#%NASL_MIN_LEVEL 80900\n##\n# (C) Tenable, Inc.\n#\n# The descriptive text and package checks in this plugin were\n# extracted from Oracle Linux Security Advisory ELSA-2020-4743.\n##\n\ninclude('compat.inc');\n\nif (description)\n{\n script_id(180917);\n script_version(\"1.0\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2023/09/07\");\n\n script_cve_id(\n \"CVE-2019-12520\",\n \"CVE-2019-12521\",\n \"CVE-2019-12523\",\n \"CVE-2019-12524\",\n \"CVE-2019-12526\",\n \"CVE-2019-12528\",\n \"CVE-2019-12529\",\n \"CVE-2019-12854\",\n \"CVE-2019-18676\",\n \"CVE-2019-18677\",\n \"CVE-2019-18678\",\n \"CVE-2019-18679\",\n \"CVE-2019-18860\",\n \"CVE-2020-8449\",\n \"CVE-2020-8450\",\n \"CVE-2020-14058\",\n \"CVE-2020-15049\",\n \"CVE-2020-24606\"\n );\n\n script_name(english:\"Oracle Linux 8 : squid:4 (ELSA-2020-4743)\");\n\n script_set_attribute(attribute:\"synopsis\", value:\n\"The remote Oracle Linux host is missing one or more security updates.\");\n script_set_attribute(attribute:\"description\", value:\n\"The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the\nELSA-2020-4743 advisory.\n\n - An issue was discovered in Squid before 4.10. It allows a crafted FTP server to trigger disclosure of\n sensitive information from heap memory, such as information associated with other users' sessions or non-\n Squid processes. (CVE-2019-12528)\n\n - An issue was discovered in Squid before 4.10. Due to incorrect buffer management, a remote client can\n cause a buffer overflow in a Squid instance acting as a reverse proxy. (CVE-2020-8450)\n\n - An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A\n Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP\n request with a Content-Length header containing +\\ - or an uncommon shell whitespace character prefix\n to the length field-value. (CVE-2020-15049)\n\n - Squid before 4.13 and 5.x before 5.0.4 allows a trusted peer to perform Denial of Service by consuming all\n available CPU cycles during handling of a crafted Cache Digest response message. This only occurs when\n cache_peer is used with the cache digests feature. The problem exists because peerDigestHandleReply()\n livelocking in peer_digest.cc mishandles EOF. (CVE-2020-24606)\n\n - An issue was discovered in Squid before 4.10. Due to incorrect input validation, it can interpret crafted\n HTTP requests in unexpected ways to access server resources prohibited by earlier security filters.\n (CVE-2020-8449)\n\n - An issue was discovered in Squid through 4.7. When Squid is parsing ESI, it keeps the ESI elements in\n ESIContext. ESIContext contains a buffer for holding a stack of ESIElements. When a new ESIElement is\n parsed, it is added via addStackElement. addStackElement has a check for the number of elements in this\n buffer, but it's off by 1, leading to a Heap Overflow of 1 element. The overflow is within the same\n structure so it can't affect adjacent memory blocks, and thus just leads to a crash while processing.\n (CVE-2019-12521)\n\n - An issue was discovered in Squid before 4.9. When handling a URN request, a corresponding HTTP request is\n made. This HTTP request doesn't go through the access checks that incoming HTTP requests go through. This\n causes all access checks to be bypassed and allows access to restricted HTTP servers, e.g., an attacker\n can connect to HTTP servers that only listen on localhost. (CVE-2019-12523)\n\n - An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to\n see if the request should be denied. Squid by default comes with rules to block access to the Cache\n Manager, which serves detailed server information meant for the maintainer. This rule is implemented via\n url_regex. The handler for url_regex rules URL decodes an incoming request. This allows an attacker to\n encode their URL to bypass the url_regex check, and gain access to the blocked resource. (CVE-2019-12524)\n\n - An issue was discovered in Squid before 4.9. URN response handling in Squid suffers from a heap-based\n buffer overflow. When receiving data from a remote server in response to an URN request, Squid fails to\n ensure that the response can fit within the buffer. This leads to attacker controlled data overflowing in\n the heap. (CVE-2019-12526)\n\n - An issue was discovered in Squid 2.x through 2.7.STABLE9, 3.x through 3.5.28, and 4.x through 4.7. When\n Squid is configured to use Basic Authentication, the Proxy-Authorization header is parsed via uudecode.\n uudecode determines how many bytes will be decoded by iterating over the input and checking its table. The\n length is then used to start decoding the string. There are no checks to ensure that the length it\n calculates isn't greater than the input buffer. This leads to adjacent memory being decoded as well. An\n attacker would not be able to retrieve the decoded data unless the Squid maintainer had configured the\n display of usernames on error pages. (CVE-2019-12529)\n\n - Squid before 4.9, when certain web browsers are used, mishandles HTML in the host (aka hostname) parameter\n to cachemgr.cgi. (CVE-2019-18860)\n\n - An issue was discovered in Squid before 4.12 and 5.x before 5.0.3. Due to use of a potentially dangerous\n function, Squid and the default certificate validation helper are vulnerable to a Denial of Service when\n opening a TLS connection to an attacker-controlled server for HTTPS. This occurs because unrecognized\n error values are mapped to NULL, but later code expects that each error value is mapped to a valid error\n string. (CVE-2020-14058)\n\n - An issue was discovered in Squid through 4.7 and 5. When receiving a request, Squid checks its cache to\n see if it can serve up a response. It does this by making a MD5 hash of the absolute URL of the request.\n If found, it servers the request. The absolute URL can include the decoded UserInfo (username and\n password) for certain protocols. This decoded info is prepended to the domain. This allows an attacker to\n provide a username that has special characters to delimit the domain, and treat the rest of the URL as a\n path or query string. An attacker could first make a request to their domain using an encoded username,\n then when a request for the target domain comes in that decodes to the exact URL, it will serve the\n attacker's HTML instead of the real HTML. On Squid servers that also act as reverse proxies, this allows\n an attacker to gain access to features that only reverse proxies can use, such as ESI. (CVE-2019-12520)\n\n - Due to incorrect string termination, Squid cachemgr.cgi 4.0 through 4.7 may access unallocated memory. On\n systems with memory access protections, this can cause the CGI process to terminate unexpectedly,\n resulting in a denial of service for all clients using it. (CVE-2019-12854)\n\n - An issue was discovered in Squid 3.x and 4.x through 4.8. Due to incorrect input validation, there is a\n heap-based buffer overflow that can result in Denial of Service to all clients using the proxy. Severity\n is high due to this vulnerability occurring before normal security checks; any remote client that can\n reach the proxy port can trivially perform the attack via a crafted URI scheme. (CVE-2019-18676)\n\n - An issue was discovered in Squid 3.x and 4.x through 4.8 when the append_domain setting is used (because\n the appended characters do not properly interact with hostname length restrictions). 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When Squid is configured to use Digest authentication, it parses the header Proxy-Authorization. It searches for certain tokens such as domain, uri, and qop. Squid checks if this token's value starts with a quote and ends with one. If so, it performs a memcpy of its length minus 2. Squid never checks whether the value is just a single quote (which would satisfy its requirements), leading to a memcpy of its length minus 1. (CVE-2019-12525)\n\n - An issue was discovered in Squid before 4.9. URN response handling in Squid suffers from a heap-based buffer overflow. When receiving data from a remote server in response to an URN request, Squid fails to ensure that the response can fit within the buffer. This leads to attacker controlled data overflowing in the heap. (CVE-2019-12526)\n\n - An issue was discovered in Squid before 4.10. It allows a crafted FTP server to trigger disclosure of sensitive information from heap memory, such as information associated with other users' sessions or non- Squid processes. (CVE-2019-12528)\n\n - An issue was discovered in Squid 2.x through 2.7.STABLE9, 3.x through 3.5.28, and 4.x through 4.7. When Squid is configured to use Basic Authentication, the Proxy-Authorization header is parsed via uudecode.\n uudecode determines how many bytes will be decoded by iterating over the input and checking its table. The length is then used to start decoding the string. There are no checks to ensure that the length it calculates isn't greater than the input buffer. This leads to adjacent memory being decoded as well. An attacker would not be able to retrieve the decoded data unless the Squid maintainer had configured the display of usernames on error pages. (CVE-2019-12529)\n\n - The cachemgr.cgi web module of Squid through 4.7 has XSS via the user_name or auth parameter.\n (CVE-2019-13345)\n\n - An issue was discovered in Squid 3.x and 4.x through 4.8. Due to incorrect input validation, there is a heap-based buffer overflow that can result in Denial of Service to all clients using the proxy. Severity is high due to this vulnerability occurring before normal security checks; any remote client that can reach the proxy port can trivially perform the attack via a crafted URI scheme. (CVE-2019-18676)\n\n - An issue was discovered in Squid 3.x and 4.x through 4.8 when the append_domain setting is used (because the appended characters do not properly interact with hostname length restrictions). Due to incorrect message processing, it can inappropriately redirect traffic to origins it should not be delivered to.\n (CVE-2019-18677)\n\n - An issue was discovered in Squid 3.x and 4.x through 4.8. It allows attackers to smuggle HTTP requests through frontend software to a Squid instance that splits the HTTP Request pipeline differently. The resulting Response messages corrupt caches (between a client and Squid) with attacker-controlled content at arbitrary URLs. Effects are isolated to software between the attacker client and Squid. There are no effects on Squid itself, nor on any upstream servers. The issue is related to a request header containing whitespace between a header name and a colon. (CVE-2019-18678)\n\n - An issue was discovered in Squid 2.x, 3.x, and 4.x through 4.8. Due to incorrect data management, it is vulnerable to information disclosure when processing HTTP Digest Authentication. Nonce tokens contain the raw byte value of a pointer that sits within heap memory allocation. This information reduces ASLR protections and may aid attackers isolating memory areas to target for remote code execution attacks.\n (CVE-2019-18679)\n\n - Squid before 4.9, when certain web browsers are used, mishandles HTML in the host (aka hostname) parameter to cachemgr.cgi. (CVE-2019-18860)\n\n - An issue was discovered in Squid before 5.0.2. A remote attacker can replay a sniffed Digest Authentication nonce to gain access to resources that are otherwise forbidden. This occurs because the attacker can overflow the nonce reference counter (a short integer). Remote code execution may occur if the pooled token credentials are freed (instead of replayed as valid credentials). (CVE-2020-11945)\n\n - An issue was discovered in Squid 5.x before 5.0.3. Due to an Incorrect Synchronization, a Denial of Service can occur when processing objects in an SMP cache because of an Ipc::Mem::PageStack::pop ABA problem during access to the memory page/slot management list. (CVE-2020-14059)\n\n - An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing +\\ - or an uncommon shell whitespace character prefix to the length field-value. (CVE-2020-15049)\n\n - An issue was discovered in Squid before 4.10. Due to incorrect input validation, it can interpret crafted HTTP requests in unexpected ways to access server resources prohibited by earlier security filters.\n (CVE-2020-8449)\n\n - An issue was discovered in Squid before 4.10. Due to incorrect buffer management, a remote client can cause a buffer overflow in a Squid instance acting as a reverse proxy. (CVE-2020-8450)\n\n - An issue was discovered in Squid before 4.10. Due to incorrect input validation, the NTLM authentication credentials parser in ext_lm_group_acl may write to memory outside the credentials buffer. On systems with memory access protections, this can result in the helper process being terminated unexpectedly. This leads to the Squid process also terminating and a denial of service for all clients using the proxy.\n (CVE-2020-8517)\n\nNote that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.", "cvss3": {}, "published": "2021-06-10T00:00:00", "type": "nessus", "title": "SUSE SLES11 Security Update : squid3 (SUSE-SU-2020:14460-1)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2019-12519", "CVE-2019-12520", "CVE-2019-12521", "CVE-2019-12523", "CVE-2019-12524", "CVE-2019-12525", "CVE-2019-12526", "CVE-2019-12528", "CVE-2019-12529", "CVE-2019-13345", "CVE-2019-18676", "CVE-2019-18677", "CVE-2019-18678", "CVE-2019-18679", "CVE-2019-18860", "CVE-2020-11945", "CVE-2020-14059", "CVE-2020-15049", "CVE-2020-8449", "CVE-2020-8450", "CVE-2020-8517"], "modified": "2022-05-09T00:00:00", "cpe": ["p-cpe:/a:novell:suse_linux:squid3", "cpe:/o:novell:suse_linux:11"], "id": "SUSE_SU-2020-14460-1.NASL", "href": "https://www.tenable.com/plugins/nessus/150657", "sourceData": "#%NASL_MIN_LEVEL 70300\n##\n# (C) Tenable Network Security, Inc.\n#\n# The package checks in this plugin were extracted from\n# SUSE update advisory SUSE-SU-2020:14460-1. The text itself\n# is copyright (C) SUSE.\n##\n\ninclude('deprecated_nasl_level.inc');\ninclude('compat.inc');\n\nif (description)\n{\n script_id(150657);\n script_version(\"1.3\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2022/05/09\");\n\n script_cve_id(\n \"CVE-2019-12519\",\n \"CVE-2019-12520\",\n \"CVE-2019-12521\",\n \"CVE-2019-12523\",\n \"CVE-2019-12524\",\n \"CVE-2019-12525\",\n \"CVE-2019-12526\",\n \"CVE-2019-12528\",\n \"CVE-2019-12529\",\n \"CVE-2019-13345\",\n \"CVE-2019-18676\",\n \"CVE-2019-18677\",\n \"CVE-2019-18678\",\n \"CVE-2019-18679\",\n \"CVE-2019-18860\",\n \"CVE-2020-8449\",\n \"CVE-2020-8450\",\n \"CVE-2020-8517\",\n \"CVE-2020-11945\",\n \"CVE-2020-14059\",\n \"CVE-2020-15049\"\n );\n script_xref(name:\"SuSE\", value:\"SUSE-SU-2020:14460-1\");\n\n script_name(english:\"SUSE SLES11 Security Update : squid3 (SUSE-SU-2020:14460-1)\");\n\n script_set_attribute(attribute:\"synopsis\", value:\n\"The remote SUSE host is missing one or more security updates.\");\n script_set_attribute(attribute:\"description\", value:\n\"The remote SUSE Linux SLES11 host has a package installed that is affected by multiple vulnerabilities as referenced in\nthe SUSE-SU-2020:14460-1 advisory.\n\n - An issue was discovered in Squid through 4.7. When handling the tag esi:when when ESI is enabled, Squid\n calls ESIExpression::Evaluate. This function uses a fixed stack buffer to hold the expression while it's\n being evaluated. When processing the expression, it could either evaluate the top of the stack, or add a\n new member to the stack. When adding a new member, there is no check to ensure that the stack won't\n overflow. (CVE-2019-12519)\n\n - An issue was discovered in Squid through 4.7 and 5. When receiving a request, Squid checks its cache to\n see if it can serve up a response. It does this by making a MD5 hash of the absolute URL of the request.\n If found, it servers the request. The absolute URL can include the decoded UserInfo (username and\n password) for certain protocols. This decoded info is prepended to the domain. This allows an attacker to\n provide a username that has special characters to delimit the domain, and treat the rest of the URL as a\n path or query string. 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When handling a URN request, a corresponding HTTP request is\n made. This HTTP request doesn't go through the access checks that incoming HTTP requests go through. This\n causes all access checks to be bypassed and allows access to restricted HTTP servers, e.g., an attacker\n can connect to HTTP servers that only listen on localhost. (CVE-2019-12523)\n\n - An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to\n see if the request should be denied. Squid by default comes with rules to block access to the Cache\n Manager, which serves detailed server information meant for the maintainer. This rule is implemented via\n url_regex. The handler for url_regex rules URL decodes an incoming request. This allows an attacker to\n encode their URL to bypass the url_regex check, and gain access to the blocked resource. (CVE-2019-12524)\n\n - An issue was discovered in Squid 3.3.9 through 3.5.28 and 4.x through 4.7. 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It allows a crafted FTP server to trigger disclosure of\n sensitive information from heap memory, such as information associated with other users' sessions or non-\n Squid processes. (CVE-2019-12528)\n\n - An issue was discovered in Squid 2.x through 2.7.STABLE9, 3.x through 3.5.28, and 4.x through 4.7. When\n Squid is configured to use Basic Authentication, the Proxy-Authorization header is parsed via uudecode.\n uudecode determines how many bytes will be decoded by iterating over the input and checking its table. The\n length is then used to start decoding the string. There are no checks to ensure that the length it\n calculates isn't greater than the input buffer. This leads to adjacent memory being decoded as well. An\n attacker would not be able to retrieve the decoded data unless the Squid maintainer had configured the\n display of usernames on error pages. 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It allows a crafted FTP server to trigger disclosure of sensitive information from heap memory, such as information associated with other users' sessions or non-Squid processes. (CVE-2019-12528)\n\nAn issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing \"+\\ \"-\" or an uncommon shell whitespace character prefix to the length field-value. (CVE-2020-15049)\n\nA flaw was found in squid. Due to incorrect data validation, a HTTP Request Smuggling attack against HTTP and HTTPS traffic is possible leading to cache poisoning. The highest threat from this vulnerability is to data confidentiality and integrity. (CVE-2020-15810)\n\nA flaw was found in squid. Due to incorrect data validation, an HTTP Request Splitting attack against HTTP and HTTPS traffic is possible leading to cache poisoning. The highest threat from this vulnerability is to data confidentiality and integrity. (CVE-2020-15811)\n\nSquid before 4.13 and 5.x before 5.0.4 allows a trusted peer to perform Denial of Service by consuming all available CPU cycles during handling of a crafted Cache Digest response message. This only occurs when cache_peer is used with the cache digests feature. The problem exists because peerDigestHandleReply() livelocking in peer_digest.cc mishandles EOF. (CVE-2020-24606)\n\nAn issue was discovered in Squid before 4.10. Due to incorrect input validation, it can interpret crafted HTTP requests in unexpected ways to access server resources prohibited by earlier security filters. (CVE-2020-8449)\n\nAn issue was discovered in Squid before 4.10. Due to incorrect buffer management, a remote client can cause a buffer overflow in a Squid instance acting as a reverse proxy. (CVE-2020-8450)\n\n \n**Affected Packages:** \n\n\nsquid\n\n \n**Issue Correction:** \nRun _yum update squid_ to update your system. \n\n\n \n\n\n**New Packages:**\n \n \n i686: \n \u00a0\u00a0\u00a0 squid-3.5.20-17.41.amzn1.i686 \n \u00a0\u00a0\u00a0 squid-migration-script-3.5.20-17.41.amzn1.i686 \n \u00a0\u00a0\u00a0 squid-debuginfo-3.5.20-17.41.amzn1.i686 \n \n src: \n \u00a0\u00a0\u00a0 squid-3.5.20-17.41.amzn1.src \n \n x86_64: \n \u00a0\u00a0\u00a0 squid-3.5.20-17.41.amzn1.x86_64 \n \u00a0\u00a0\u00a0 squid-migration-script-3.5.20-17.41.amzn1.x86_64 \n \u00a0\u00a0\u00a0 squid-debuginfo-3.5.20-17.41.amzn1.x86_64 \n \n \n\n### Additional References\n\nRed Hat: [CVE-2019-12528](<https://access.redhat.com/security/cve/CVE-2019-12528>), [CVE-2020-15049](<https://access.redhat.com/security/cve/CVE-2020-15049>), [CVE-2020-15810](<https://access.redhat.com/security/cve/CVE-2020-15810>), [CVE-2020-15811](<https://access.redhat.com/security/cve/CVE-2020-15811>), [CVE-2020-24606](<https://access.redhat.com/security/cve/CVE-2020-24606>), [CVE-2020-8449](<https://access.redhat.com/security/cve/CVE-2020-8449>), [CVE-2020-8450](<https://access.redhat.com/security/cve/CVE-2020-8450>)\n\nMitre: [CVE-2019-12528](<https://vulners.com/cve/CVE-2019-12528>), [CVE-2020-15049](<https://vulners.com/cve/CVE-2020-15049>), [CVE-2020-15810](<https://vulners.com/cve/CVE-2020-15810>), [CVE-2020-15811](<https://vulners.com/cve/CVE-2020-15811>), [CVE-2020-24606](<https://vulners.com/cve/CVE-2020-24606>), [CVE-2020-8449](<https://vulners.com/cve/CVE-2020-8449>), [CVE-2020-8450](<https://vulners.com/cve/CVE-2020-8450>)\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-11-16T17:59:00", "type": "amazon", "title": "Important: squid", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-12528", "CVE-2020-15049", "CVE-2020-15810", "CVE-2020-15811", "CVE-2020-24606", "CVE-2020-8449", "CVE-2020-8450"], "modified": "2020-11-16T20:46:00", "id": "ALAS-2020-1453", "href": "https://alas.aws.amazon.com/ALAS-2020-1453.html", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-06-06T15:42:46", "description": "**Issue Overview:**\n\nA flaw was found in squid. Due to incorrect data validation, a HTTP Request Smuggling attack against HTTP and HTTPS traffic is possible leading to cache poisoning. The highest threat from this vulnerability is to data confidentiality and integrity. (CVE-2020-15810)\n\nA flaw was found in squid. Due to incorrect data validation, an HTTP Request Splitting attack against HTTP and HTTPS traffic is possible leading to cache poisoning. The highest threat from this vulnerability is to data confidentiality and integrity. (CVE-2020-15811)\n\nSquid before 4.13 and 5.x before 5.0.4 allows a trusted peer to perform Denial of Service by consuming all available CPU cycles during handling of a crafted Cache Digest response message. This only occurs when cache_peer is used with the cache digests feature. The problem exists because peerDigestHandleReply() livelocking in peer_digest.cc mishandles EOF. (CVE-2020-24606)\n\n \n**Affected Packages:** \n\n\nsquid\n\n \n**Issue Correction:** \nRun _yum update squid_ to update your system. \n\n\n \n\n\n**New Packages:**\n \n \n aarch64: \n \u00a0\u00a0\u00a0 squid-3.5.20-17.amzn2.4.1.aarch64 \n \u00a0\u00a0\u00a0 squid-sysvinit-3.5.20-17.amzn2.4.1.aarch64 \n \u00a0\u00a0\u00a0 squid-migration-script-3.5.20-17.amzn2.4.1.aarch64 \n \u00a0\u00a0\u00a0 squid-debuginfo-3.5.20-17.amzn2.4.1.aarch64 \n \n i686: \n \u00a0\u00a0\u00a0 squid-3.5.20-17.amzn2.4.1.i686 \n \u00a0\u00a0\u00a0 squid-sysvinit-3.5.20-17.amzn2.4.1.i686 \n \u00a0\u00a0\u00a0 squid-migration-script-3.5.20-17.amzn2.4.1.i686 \n \u00a0\u00a0\u00a0 squid-debuginfo-3.5.20-17.amzn2.4.1.i686 \n \n src: \n \u00a0\u00a0\u00a0 squid-3.5.20-17.amzn2.4.1.src \n \n x86_64: \n \u00a0\u00a0\u00a0 squid-3.5.20-17.amzn2.4.1.x86_64 \n \u00a0\u00a0\u00a0 squid-sysvinit-3.5.20-17.amzn2.4.1.x86_64 \n \u00a0\u00a0\u00a0 squid-migration-script-3.5.20-17.amzn2.4.1.x86_64 \n \u00a0\u00a0\u00a0 squid-debuginfo-3.5.20-17.amzn2.4.1.x86_64 \n \n \n\n### Additional References\n\nRed Hat: [CVE-2020-15810](<https://access.redhat.com/security/cve/CVE-2020-15810>), [CVE-2020-15811](<https://access.redhat.com/security/cve/CVE-2020-15811>), [CVE-2020-24606](<https://access.redhat.com/security/cve/CVE-2020-24606>)\n\nMitre: [CVE-2020-15810](<https://vulners.com/cve/CVE-2020-15810>), [CVE-2020-15811](<https://vulners.com/cve/CVE-2020-15811>), [CVE-2020-24606](<https://vulners.com/cve/CVE-2020-24606>)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2020-10-22T18:42:00", "type": "amazon", "title": "Important: squid", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.1, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-15810", "CVE-2020-15811", "CVE-2020-24606"], "modified": "2020-10-22T22:33:00", "id": "ALAS2-2020-1548", "href": "https://alas.aws.amazon.com/AL2/ALAS-2020-1548.html", "cvss": {"score": 7.1, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-06-23T15:29:55", "description": "**Issue Overview:**\n\nAn issue was discovered in Squid before 4.10. It allows a crafted FTP server to trigger disclosure of sensitive information from heap memory, such as information associated with other users' sessions or non-Squid processes. (CVE-2019-12528)\n\nThis vulnerability allows remote attackers to deny service on vulnerable installations of The Squid Software Foundation Squid 3.5.27-20180318. Authentication is not required to exploit this vulnerability. The specific flaw exists within ClientRequestContext::sslBumpAccessCheck(). A crafted request can trigger the dereference of a null pointer. An attacker can leverage this vulnerability to create a denial-of-service condition to users of the system. Was ZDI-CAN-6088. it was found that Squid, when used as a reverse proxy, did not handle ESI responses properly. A malicious web server could use this flaw to crash Squid. (CVE-2018-1172)\n\nAn issue was discovered in Squid 2.x, 3.x, and 4.x through 4.8. Due to incorrect data management, it is vulnerable to information disclosure when processing HTTP Digest Authentication. Nonce tokens contain the raw byte value of a pointer that sits within heap memory allocation. This information reduces ASLR protections and may aid attackers isolating memory areas to target for remote code execution attacks. (CVE-2019-18679)\n\nAn issue was discovered in Squid before 4.10. Due to incorrect buffer management, a remote client can cause a buffer overflow in a Squid instance acting as a reverse proxy. (CVE-2020-8450)\n\n \n**Affected Packages:** \n\n\nsquid\n\n \n**Issue Correction:** \nRun _yum update squid_ to update your system. \n\n\n \n\n\n**New Packages:**\n \n \n aarch64: \n \u00a0\u00a0\u00a0 squid-3.5.20-15.amzn2.1.1.aarch64 \n \u00a0\u00a0\u00a0 squid-sysvinit-3.5.20-15.amzn2.1.1.aarch64 \n \u00a0\u00a0\u00a0 squid-migration-script-3.5.20-15.amzn2.1.1.aarch64 \n \u00a0\u00a0\u00a0 squid-debuginfo-3.5.20-15.amzn2.1.1.aarch64 \n \n i686: \n \u00a0\u00a0\u00a0 squid-3.5.20-15.amzn2.1.1.i686 \n \u00a0\u00a0\u00a0 squid-sysvinit-3.5.20-15.amzn2.1.1.i686 \n \u00a0\u00a0\u00a0 squid-migration-script-3.5.20-15.amzn2.1.1.i686 \n \u00a0\u00a0\u00a0 squid-debuginfo-3.5.20-15.amzn2.1.1.i686 \n \n src: \n \u00a0\u00a0\u00a0 squid-3.5.20-15.amzn2.1.1.src \n \n x86_64: \n \u00a0\u00a0\u00a0 squid-3.5.20-15.amzn2.1.1.x86_64 \n \u00a0\u00a0\u00a0 squid-sysvinit-3.5.20-15.amzn2.1.1.x86_64 \n \u00a0\u00a0\u00a0 squid-migration-script-3.5.20-15.amzn2.1.1.x86_64 \n \u00a0\u00a0\u00a0 squid-debuginfo-3.5.20-15.amzn2.1.1.x86_64 \n \n \n\n### Additional References\n\nRed Hat: [CVE-2018-1172](<https://access.redhat.com/security/cve/CVE-2018-1172>), [CVE-2019-12528](<https://access.redhat.com/security/cve/CVE-2019-12528>), [CVE-2019-18679](<https://access.redhat.com/security/cve/CVE-2019-18679>), [CVE-2020-8450](<https://access.redhat.com/security/cve/CVE-2020-8450>)\n\nMitre: [CVE-2018-1172](<https://vulners.com/cve/CVE-2018-1172>), [CVE-2019-12528](<https://vulners.com/cve/CVE-2019-12528>), [CVE-2019-18679](<https://vulners.com/cve/CVE-2019-18679>), [CVE-2020-8450](<https://vulners.com/cve/CVE-2020-8450>)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2020-09-01T00:40:00", "type": "amazon", "title": "Medium: squid", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-1172", "CVE-2019-12528", "CVE-2019-18679", "CVE-2020-8450"], "modified": "2020-09-02T18:17:00", "id": "ALAS2-2020-1486", "href": "https://alas.aws.amazon.com/AL2/ALAS-2020-1486.html", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "suse": [{"lastseen": "2022-11-06T17:59:12", "description": "An update that fixes four vulnerabilities is now available.\n\nDescription:\n\n This update for squid fixes the following issues:\n\n squid was updated to version 4.13:\n\n - CVE-2020-24606: Fix livelocking in peerDigestHandleReply (bsc#1175671).\n - CVE-2020-15811: Improve Transfer-Encoding handling (bsc#1175665).\n - CVE-2020-15810: Enforce token characters for field-name (bsc#1175664).\n\n This update was imported from the SUSE:SLE-15:Update update project.\n\n\nPatch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.1:\n\n zypper in -t patch openSUSE-2020-1346=1", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-09-05T00:00:00", "type": "suse", "title": "Security update for squid (critical)", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.1, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-15049", "CVE-2020-15810", "CVE-2020-15811", "CVE-2020-24606"], "modified": "2020-09-05T00:00:00", "id": "OPENSUSE-SU-2020:1346-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/7ZLGD6G3KY7JU2TB5YQO7CEN77XZWRYS/", "cvss": {"score": 7.1, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2022-04-18T12:41:06", "description": "An update that fixes four vulnerabilities is now available.\n\nDescription:\n\n This update for squid fixes the following issues:\n\n squid was updated to version 4.13:\n\n - CVE-2020-24606: Fix livelocking in peerDigestHandleReply (bsc#1175671).\n - CVE-2020-15811: Improve Transfer-Encoding handling (bsc#1175665).\n - CVE-2020-15810: Enforce token characters for field-name (bsc#1175664).\n\n This update was imported from the SUSE:SLE-15:Update update project.\n\n\nPatch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.2:\n\n zypper in -t patch openSUSE-2020-1369=1", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-09-07T00:00:00", "type": "suse", "title": "Security update for squid (critical)", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.1, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-15049", "CVE-2020-15810", "CVE-2020-15811", "CVE-2020-24606"], "modified": "2020-09-07T00:00:00", "id": "OPENSUSE-SU-2020:1369-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/UMN3THRFFUTAXOEGHNHSGKY647AMB7D6/", "cvss": {"score": 7.1, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2022-11-09T21:01:53", "description": "An update that fixes four vulnerabilities is now available.\n\nDescription:\n\n This update for squid to version 4.10 fixes the following issues:\n\n Security issues fixed:\n\n - CVE-2019-12528: Fixed an information disclosure flaw in the FTP gateway\n (bsc#1162689).\n - CVE-2020-8449: Fixed a buffer overflow when squid is acting as\n reverse-proxy (bsc#1162687).\n - CVE-2020-8450: Fixed a buffer overflow when squid is acting as\n reverse-proxy (bsc#1162687).\n - CVE-2020-8517: Fixed a buffer overflow in ext_lm_group_acl when\n processing NTLM Authentication credentials (bsc#1162691).\n\n Non-security issue fixed:\n\n - Improved cache handling with chunked responses.\n\n This update was imported from the SUSE:SLE-15:Update update project.\n\n\nPatch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.1:\n\n zypper in -t patch openSUSE-2020-307=1", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2020-03-06T00:00:00", "type": "suse", "title": "Security update for squid (moderate)", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-12528", "CVE-2020-8449", "CVE-2020-8450", "CVE-2020-8517"], "modified": "2020-03-06T00:00:00", "id": "OPENSUSE-SU-2020:0307-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/OSBD4IUE3J32BEBGOTEFYZCO2BC6SOBD/", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2022-11-06T19:35:27", "description": "An update that fixes four vulnerabilities is now available.\n\nDescription:\n\n This update for squid to version 4.10 fixes the following issues:\n\n Security issues fixed:\n\n - CVE-2019-12528: Fixed an information disclosure flaw in the FTP gateway\n (bsc#1162689).\n - CVE-2020-8449: Fixed a buffer overflow when squid is acting as\n reverse-proxy (bsc#1162687).\n - CVE-2020-8450: Fixed a buffer overflow when squid is acting as\n reverse-proxy (bsc#1162687).\n - CVE-2020-8517: Fixed a buffer overflow in ext_lm_group_acl when\n processing NTLM Authentication credentials (bsc#1162691).\n\n Non-security issue fixed:\n\n - Improved cache handling with chunked responses.\n\n This update was imported from the SUSE:SLE-15:Update update project.\n\n\nPatch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.1:\n\n zypper in -t patch openSUSE-2020-606=1", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2020-05-03T00:00:00", "type": "suse", "title": "Security update for squid (moderate)", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-12528", "CVE-2020-8449", "CVE-2020-8450", "CVE-2020-8517"], "modified": "2020-05-03T00:00:00", "id": "OPENSUSE-SU-2020:0606-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/AGFVFRNFEBM5GAYSO2Y6EUODQ7XBSWE3/", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2022-04-18T12:41:20", "description": "An update that fixes 6 vulnerabilities is now available.\n\nDescription:\n\n This update for squid to version 4.11 fixes the following issues:\n\n - CVE-2020-11945: Fixed a potential remote code execution vulnerability\n when using HTTP Digest Authentication (bsc#1170313).\n - CVE-2019-12519, CVE-2019-12521: Fixed incorrect buffer handling that can\n result in cache poisoning, remote execution, and denial of service\n attacks when processing ESI responses (bsc#1169659).\n - CVE-2020-8517: Fixed a possible denial of service caused by incorrect\n buffer management ext_lm_group_acl when processing NTLM Authentication\n credentials (bsc#1162691).\n - CVE-2019-12528: Fixed possible information disclosure when translating\n FTP server listings into HTTP responses (bsc#1162689).\n - CVE-2019-18860: Fixed handling of invalid domain names in cachemgr.cgi\n (bsc#1167373).\n\n This update was imported from the SUSE:SLE-15:Update update project.\n\n\nPatch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.1:\n\n zypper in -t patch openSUSE-2020-623=1", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-05-11T00:00:00", "type": "suse", "title": "Security update for squid (important)", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-12519", "CVE-2019-12521", "CVE-2019-12528", "CVE-2019-18860", "CVE-2020-11945", "CVE-2020-8517"], "modified": "2020-05-11T00:00:00", "id": "OPENSUSE-SU-2020:0623-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/PKK52WC254R33WBSNPYY4IHIZMYTJYNU/", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "osv": [{"lastseen": "2022-07-21T08:16:23", "description": "\nSeveral security vulnerabilities have been discovered in Squid, a highperformance proxy caching server for web clients.\n\n\n* [CVE-2020-15049](https://security-tracker.debian.org/tracker/CVE-2020-15049)\nAn issue was discovered in http/ContentLengthInterpreter.cc in\n Squid. A Request Smuggling and Poisoning attack can succeed against\n the HTTP cache. The client sends an HTTP request with a Content Length header containing \"+\\ \"-\" or an uncommon shell whitespace\n character prefix to the length field-value.\n This update also includes several other improvements to the\n HttpHeader parsing code.\n* [CVE-2020-15810](https://security-tracker.debian.org/tracker/CVE-2020-15810)\nand [CVE-2020-15811](https://security-tracker.debian.org/tracker/CVE-2020-15811)\n\n\nDue to incorrect data validation, HTTP Request Smuggling attacks may\n succeed against HTTP and HTTPS traffic. This leads to cache\n poisoning and allows any client, including browser scripts, to\n bypass local security and poison the proxy cache and any downstream\n caches with content from an arbitrary source. When configured for\n relaxed header parsing (the default), Squid relays headers\n containing whitespace characters to upstream servers. When this\n occurs as a prefix to a Content-Length header, the frame length\n specified will be ignored by Squid (allowing for a conflicting\n length to be used from another Content-Length header) but relayed\n upstream.\n* [CVE-2020-24606](https://security-tracker.debian.org/tracker/CVE-2020-24606)\nSquid allows a trusted peer to perform Denial of Service by\n consuming all available CPU cycles during handling of a crafted\n Cache Digest response message. This only occurs when cache\\_peer is\n used with the cache digests feature. The problem exists because\n peerDigestHandleReply() livelocking in peer\\_digest.cc mishandles\n EOF.\n\n\nFor Debian 9 stretch, these problems have been fixed in version\n3.5.23-5+deb9u5.\n\n\nWe recommend that you upgrade your squid3 packages.\n\n\nFor the detailed security status of squid3 please refer to\nits security tracker page at:\n<https://security-tracker.debian.org/tracker/squid3>\n\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: <https://wiki.debian.org/LTS>\n\n\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 8.8, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2020-10-02T00:00:00", "type": "osv", "title": "squid3 - security update", "bulletinFamily": "software", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.1, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-15811", "CVE-2020-24606", "CVE-2020-15810", "CVE-2020-15049"], "modified": "2022-07-21T05:53:24", "id": "OSV:DLA-2394-1", "href": "https://osv.dev/vulnerability/DLA-2394-1", "cvss": {"score": 7.1, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2022-08-10T07:19:11", "description": "\nSeveral vulnerabilities were discovered in Squid, a fully featured web\nproxy cache, which could result in request splitting, request smuggling\n(leading to cache poisoning) and denial of service when processing\ncrafted cache digest responses messages.\n\n\nFor the stable distribution (buster), these problems have been fixed in\nversion 4.6-1+deb10u4.\n\n\nWe recommend that you upgrade your squid packages.\n\n\nFor the detailed security status of squid please refer to its security\ntracker page at:\n<https://security-tracker.debian.org/tracker/squid>\n\n\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 7.5, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 3.6}, "published": "2020-08-27T00:00:00", "type": "osv", "title": "squid - security update", "bulletinFamily": "software", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.1, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-15811", "CVE-2020-24606", "CVE-2020-15810"], "modified": "2022-08-10T07:19:08", "id": "OSV:DSA-4751-1", "href": "https://osv.dev/vulnerability/DSA-4751-1", "cvss": {"score": 7.1, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2022-08-10T07:19:05", "description": "\nTwo security issues were discovered in the Squid proxy caching\nserver, which could result in cache poisoning, request smuggling\nand incomplete validation of hostnames in cachemgr.cgi.\n\n\nFor the stable distribution (buster), these problems have been fixed in\nversion 4.6-1+deb10u3.\n\n\nWe recommend that you upgrade your squid packages.\n\n\nFor the detailed security status of squid please refer to\nits security tracker page at:\n[\\\nhttps://security-tracker.debian.org/tracker/squid](https://security-tracker.debian.org/tracker/squid)\n\n\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 8.8, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2020-07-21T00:00:00", "type": "osv", "title": "squid - security update", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-18860", "CVE-2020-15049"], "modified": "2022-08-10T07:19:02", "id": "OSV:DSA-4732-1", "href": "https://osv.dev/vulnerability/DSA-4732-1", "cvss": {"score": 6.5, "vector": "AV:N/AC:L/Au:S/C:P/I:P/A:P"}}, {"lastseen": "2022-08-05T05:18:51", "description": "\nIt was found that Squid, a high-performance proxy caching server for\nweb clients, has been affected by multiple security vulnerabilities.\nDue to incorrect input validation and URL request handling it was\npossible to bypass access restrictions for restricted HTTP servers\nand to cause a denial-of-service.\n\n\nFor Debian 9 stretch, these problems have been fixed in version\n3.5.23-5+deb9u2.\n\n\nWe recommend that you upgrade your squid3 packages.\n\n\nFor the detailed security status of squid3 please refer to\nits security tracker page at:\n<https://security-tracker.debian.org/tracker/squid3>\n\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: <https://wiki.debian.org/LTS>\n\n\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2020-07-10T00:00:00", "type": "osv", "title": "squid3 - security update", "bulletinFamily": "software", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-12519", "CVE-2019-12529", "CVE-2019-12528", "CVE-2019-18677", "CVE-2019-12523", "CVE-2019-13345", "CVE-2019-18678", "CVE-2019-12524", "CVE-2019-12520", "CVE-2019-12521", "CVE-2019-18676", "CVE-2019-18860", "CVE-2020-8450", "CVE-2018-19132", "CVE-2019-12525", "CVE-2020-11945", "CVE-2019-12526", "CVE-2019-18679", "CVE-2020-8449"], "modified": "2022-08-05T05:18:49", "id": "OSV:DLA-2278-1", "href": "https://osv.dev/vulnerability/DLA-2278-1", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "debian": [{"lastseen": "2021-10-22T10:56:58", "description": "- -------------------------------------------------------------------------\nDebian LTS Advisory DLA-2394-1 debian-lts@lists.debian.org\nhttps://www.debian.org/lts/security/ Markus Koschany\nOctober 02, 2020 https://wiki.debian.org/LTS\n- -------------------------------------------------------------------------\n\nPackage : squid3\nVersion : 3.5.23-5+deb9u5\nCVE ID : CVE-2020-15049 CVE-2020-15810 CVE-2020-15811\n CVE-2020-24606\n\nSeveral security vulnerabilities have been discovered in Squid, a high-\nperformance proxy caching server for web clients.\n\nCVE-2020-15049\n\n An issue was discovered in http/ContentLengthInterpreter.cc in\n Squid. A Request Smuggling and Poisoning attack can succeed against\n the HTTP cache. The client sends an HTTP request with a Content-\n Length header containing &quot;+\\ &quot;-&quot; or an uncommon shell whitespace\n character prefix to the length field-value.\n This update also includes several other improvements to the\n HttpHeader parsing code.\n\nCVE-2020-15810 and CVE-2020-15811\n\n Due to incorrect data validation, HTTP Request Smuggling attacks may\n succeed against HTTP and HTTPS traffic. This leads to cache\n poisoning and allows any client, including browser scripts, to\n bypass local security and poison the proxy cache and any downstream\n caches with content from an arbitrary source. When configured for\n relaxed header parsing (the default), Squid relays headers\n containing whitespace characters to upstream servers. When this\n occurs as a prefix to a Content-Length header, the frame length\n specified will be ignored by Squid (allowing for a conflicting\n length to be used from another Content-Length header) but relayed\n upstream.\n\nCVE-2020-24606\n\n Squid allows a trusted peer to perform Denial of Service by\n consuming all available CPU cycles during handling of a crafted\n Cache Digest response message. This only occurs when cache_peer is\n used with the cache digests feature. The problem exists because\n peerDigestHandleReply() livelocking in peer_digest.cc mishandles\n EOF.\n\nFor Debian 9 stretch, these problems have been fixed in version\n3.5.23-5+deb9u5.\n\nWe recommend that you upgrade your squid3 packages.\n\nFor the detailed security status of squid3 please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/squid3\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://wiki.debian.org/LTS", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 8.8, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2020-10-02T16:29:55", "type": "debian", "title": "[SECURITY] [DLA 2394-1] squid3 security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.1, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-15049", "CVE-2020-15810", "CVE-2020-15811", "CVE-2020-24606"], "modified": "2020-10-02T16:29:55", "id": "DEBIAN:DLA-2394-1:9B122", "href": "https://lists.debian.org/debian-lts-announce/2020/10/msg00005.html", "cvss": {"score": 7.1, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2022-01-22T04:07:48", "description": "- -------------------------------------------------------------------------\nDebian LTS Advisory DLA-2394-1 debian-lts@lists.debian.org\nhttps://www.debian.org/lts/security/ Markus Koschany\nOctober 02, 2020 https://wiki.debian.org/LTS\n- -------------------------------------------------------------------------\n\nPackage : squid3\nVersion : 3.5.23-5+deb9u5\nCVE ID : CVE-2020-15049 CVE-2020-15810 CVE-2020-15811\n CVE-2020-24606\n\nSeveral security vulnerabilities have been discovered in Squid, a high-\nperformance proxy caching server for web clients.\n\nCVE-2020-15049\n\n An issue was discovered in http/ContentLengthInterpreter.cc in\n Squid. A Request Smuggling and Poisoning attack can succeed against\n the HTTP cache. The client sends an HTTP request with a Content-\n Length header containing &quot;+\\ &quot;-&quot; or an uncommon shell whitespace\n character prefix to the length field-value.\n This update also includes several other improvements to the\n HttpHeader parsing code.\n\nCVE-2020-15810 and CVE-2020-15811\n\n Due to incorrect data validation, HTTP Request Smuggling attacks may\n succeed against HTTP and HTTPS traffic. This leads to cache\n poisoning and allows any client, including browser scripts, to\n bypass local security and poison the proxy cache and any downstream\n caches with content from an arbitrary source. When configured for\n relaxed header parsing (the default), Squid relays headers\n containing whitespace characters to upstream servers. When this\n occurs as a prefix to a Content-Length header, the frame length\n specified will be ignored by Squid (allowing for a conflicting\n length to be used from another Content-Length header) but relayed\n upstream.\n\nCVE-2020-24606\n\n Squid allows a trusted peer to perform Denial of Service by\n consuming all available CPU cycles during handling of a crafted\n Cache Digest response message. This only occurs when cache_peer is\n used with the cache digests feature. The problem exists because\n peerDigestHandleReply() livelocking in peer_digest.cc mishandles\n EOF.\n\nFor Debian 9 stretch, these problems have been fixed in version\n3.5.23-5+deb9u5.\n\nWe recommend that you upgrade your squid3 packages.\n\nFor the detailed security status of squid3 please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/squid3\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://wiki.debian.org/LTS", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 8.8, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2020-10-02T16:29:55", "type": "debian", "title": "[SECURITY] [DLA 2394-1] squid3 security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.1, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-15049", "CVE-2020-15810", "CVE-2020-15811", "CVE-2020-24606"], "modified": "2020-10-02T16:29:55", "id": "DEBIAN:DLA-2394-1:6349E", "href": "https://lists.debian.org/debian-lts-announce/2020/10/msg00005.html", "cvss": {"score": 7.1, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2021-10-21T21:39:02", "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-4751-1 security@debian.org\nhttps://www.debian.org/security/ Salvatore Bonaccorso\nAugust 27, 2020 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : squid\nCVE ID : CVE-2020-15810 CVE-2020-15811 CVE-2020-24606\nDebian Bug : 968932 968933 968934\n\nSeveral vulnerabilities were discovered in Squid, a fully featured web\nproxy cache, which could result in request splitting, request smuggling\n(leading to cache poisoning) and denial of service when processing\ncrafted cache digest responses messages.\n\nFor the stable distribution (buster), these problems have been fixed in\nversion 4.6-1+deb10u4.\n\nWe recommend that you upgrade your squid packages.\n\nFor the detailed security status of squid please refer to its security\ntracker page at:\nhttps://security-tracker.debian.org/tracker/squid\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 7.5, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 3.6}, "published": "2020-08-27T13:05:31", "type": "debian", "title": "[SECURITY] [DSA 4751-1] squid security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.1, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-15810", "CVE-2020-15811", "CVE-2020-24606"], "modified": "2020-08-27T13:05:31", "id": "DEBIAN:DSA-4751-1:72F2D", "href": "https://lists.debian.org/debian-security-announce/2020/msg00158.html", "cvss": {"score": 7.1, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-07-04T15:02:29", "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-4751-1 security@debian.org\nhttps://www.debian.org/security/ Salvatore Bonaccorso\nAugust 27, 2020 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : squid\nCVE ID : CVE-2020-15810 CVE-2020-15811 CVE-2020-24606\nDebian Bug : 968932 968933 968934\n\nSeveral vulnerabilities were discovered in Squid, a fully featured web\nproxy cache, which could result in request splitting, request smuggling\n(leading to cache poisoning) and denial of service when processing\ncrafted cache digest responses messages.\n\nFor the stable distribution (buster), these problems have been fixed in\nversion 4.6-1+deb10u4.\n\nWe recommend that you upgrade your squid packages.\n\nFor the detailed security status of squid please refer to its security\ntracker page at:\nhttps://security-tracker.debian.org/tracker/squid\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2020-08-27T13:05:31", "type": "debian", "title": "[SECURITY] [DSA 4751-1] squid security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.1, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-15810", "CVE-2020-15811", "CVE-2020-24606"], "modified": "2020-08-27T13:05:31", "id": "DEBIAN:DSA-4751-1:4365C", "href": "https://lists.debian.org/debian-security-announce/2020/msg00158.html", "cvss": {"score": 7.1, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-07-07T14:37:49", "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-4682-1 security@debian.org\nhttps://www.debian.org/security/ Moritz Muehlenhoff\nMay 08, 2020 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : squid\nCVE ID : CVE-2019-12519 CVE-2019-12520 CVE-2019-12521 CVE-2019-12523 \n CVE-2019-12524 CVE-2019-12526 CVE-2019-12528 CVE-2019-18676 \n CVE-2019-18677 CVE-2019-18678 CVE-2019-18679 CVE-2020-8449 \n CVE-2020-8450 CVE-2020-11945\n\nMultiple security issues were discovered in the Squid proxy caching\nserver, which could result in the bypass of security filters, information\ndisclosure, the execution of arbitrary code or denial of service.\n\nFor the stable distribution (buster), these problems have been fixed in\nversion 4.6-1+deb10u2.\n\nWe recommend that you upgrade your squid packages.\n\nFor the detailed security status of squid please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/squid\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-05-08T19:10:03", "type": "debian", "title": "[SECURITY] [DSA 4682-1] squid security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-12519", "CVE-2019-12520", "CVE-2019-12521", "CVE-2019-12523", "CVE-2019-12524", "CVE-2019-12526", "CVE-2019-12528", "CVE-2019-18676", "CVE-2019-18677", "CVE-2019-18678", "CVE-2019-18679", "CVE-2020-11945", "CVE-2020-8449", "CVE-2020-8450"], "modified": "2020-05-08T19:10:03", "id": "DEBIAN:DSA-4682-1:5FB04", "href": "https://lists.debian.org/debian-security-announce/2020/msg00086.html", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2022-01-24T16:19:44", "description": "- -------------------------------------------------------------------------\nDebian LTS Advisory DLA-2278-1 debian-lts@lists.debian.org\nhttps://www.debian.org/lts/security/ Markus Koschany\nJuly 10, 2020 https://wiki.debian.org/LTS\n- -------------------------------------------------------------------------\n\nPackage : squid3\nVersion : 3.5.23-5+deb9u2\nCVE ID : CVE-2018-19132 CVE-2019-12519 CVE-2019-12520\n CVE-2019-12521 CVE-2019-12523 CVE-2019-12524\n CVE-2019-12525 CVE-2019-12526 CVE-2019-12528\n CVE-2019-12529 CVE-2019-13345 CVE-2019-18676\n CVE-2019-18677 CVE-2019-18678 CVE-2019-18679\n CVE-2019-18860 CVE-2020-8449 CVE-2020-8450\n CVE-2020-11945\nDebian Bug : 950802 931478 950925 912294\n\nIt was found that Squid, a high-performance proxy caching server for\nweb clients, has been affected by multiple security vulnerabilities.\nDue to incorrect input validation and URL request handling it was\npossible to bypass access restrictions for restricted HTTP servers\nand to cause a denial-of-service.\n\nFor Debian 9 stretch, these problems have been fixed in version\n3.5.23-5+deb9u2.\n\nWe recommend that you upgrade your squid3 packages.\n\nFor the detailed security status of squid3 please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/squid3\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://wiki.debian.org/LTS", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2020-07-10T21:55:24", "type": "debian", "title": "[SECURITY] [DLA 2278-1] squid3 security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-19132", "CVE-2019-12519", "CVE-2019-12520", "CVE-2019-12521", "CVE-2019-12523", "CVE-2019-12524", "CVE-2019-12525", "CVE-2019-12526", "CVE-2019-12528", "CVE-2019-12529", "CVE-2019-13345", "CVE-2019-18676", "CVE-2019-18677", "CVE-2019-18678", "CVE-2019-18679", "CVE-2019-18860", "CVE-2020-11945", "CVE-2020-8449", "CVE-2020-8450"], "modified": "2020-07-10T21:55:24", "id": "DEBIAN:DLA-2278-1:83AD0", "href": "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2021-10-22T11:20:59", "description": "- -------------------------------------------------------------------------\nDebian LTS Advisory DLA-2278-1 debian-lts@lists.debian.org\nhttps://www.debian.org/lts/security/ Markus Koschany\nJuly 10, 2020 https://wiki.debian.org/LTS\n- -------------------------------------------------------------------------\n\nPackage : squid3\nVersion : 3.5.23-5+deb9u2\nCVE ID : CVE-2018-19132 CVE-2019-12519 CVE-2019-12520\n CVE-2019-12521 CVE-2019-12523 CVE-2019-12524\n CVE-2019-12525 CVE-2019-12526 CVE-2019-12528\n CVE-2019-12529 CVE-2019-13345 CVE-2019-18676\n CVE-2019-18677 CVE-2019-18678 CVE-2019-18679\n CVE-2019-18860 CVE-2020-8449 CVE-2020-8450\n CVE-2020-11945\nDebian Bug : 950802 931478 950925 912294\n\nIt was found that Squid, a high-performance proxy caching server for\nweb clients, has been affected by multiple security vulnerabilities.\nDue to incorrect input validation and URL request handling it was\npossible to bypass access restrictions for restricted HTTP servers\nand to cause a denial-of-service.\n\nFor Debian 9 stretch, these problems have been fixed in version\n3.5.23-5+deb9u2.\n\nWe recommend that you upgrade your squid3 packages.\n\nFor the detailed security status of squid3 please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/squid3\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://wiki.debian.org/LTS", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2020-07-10T21:55:24", "type": "debian", "title": "[SECURITY] [DLA 2278-1] squid3 security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-19132", "CVE-2019-12519", "CVE-2019-12520", "CVE-2019-12521", "CVE-2019-12523", "CVE-2019-12524", "CVE-2019-12525", "CVE-2019-12526", "CVE-2019-12528", "CVE-2019-12529", "CVE-2019-13345", "CVE-2019-18676", "CVE-2019-18677", "CVE-2019-18678", "CVE-2019-18679", "CVE-2019-18860", "CVE-2020-11945", "CVE-2020-8449", "CVE-2020-8450"], "modified": "2020-07-10T21:55:24", "id": "DEBIAN:DLA-2278-1:4A30F", "href": "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "ubuntu": [{"lastseen": "2023-06-06T15:43:50", "description": "## Releases\n\n * Ubuntu 18.04 ESM\n * Ubuntu 16.04 ESM\n\n## Packages\n\n * squid3 \\- Web proxy cache server\n\nAlex Rousskov and Amit Klein discovered that Squid incorrectly handled \ncertain Content-Length headers. A remote attacker could possibly use this \nissue to perform an HTTP request smuggling attack, resulting in cache \npoisoning. (CVE-2020-15049)\n\nAmit Klein discovered that Squid incorrectly validated certain data. A \nremote attacker could possibly use this issue to perform an HTTP request \nsmuggling attack, resulting in cache poisoning. (CVE-2020-15810)\n\nR\u00e9gis Leroy discovered that Squid incorrectly validated certain data. A \nremote attacker could possibly use this issue to perform an HTTP request \nsplitting attack, resulting in cache poisoning. (CVE-2020-15811)\n\nLubos Uhliarik discovered that Squid incorrectly handled certain Cache \nDigest response messages sent by trusted peers. A remote attacker could \npossibly use this issue to cause Squid to consume resources, resulting in a \ndenial of service. (CVE-2020-24606)\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-09-28T00:00:00", "type": "ubuntu", "title": "Squid vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.1, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-15049", "CVE-2020-15810", "CVE-2020-15811", "CVE-2020-24606"], "modified": "2020-09-28T00:00:00", "id": "USN-4551-1", "href": "https://ubuntu.com/security/notices/USN-4551-1", "cvss": {"score": 7.1, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-06-06T15:45:06", "description": "## Releases\n\n * Ubuntu 20.04 LTS\n\n## Packages\n\n * squid \\- Web proxy cache server\n\nAmit Klein discovered that Squid incorrectly validated certain data. A \nremote attacker could possibly use this issue to perform an HTTP request \nsmuggling attack, resulting in cache poisoning. (CVE-2020-15810)\n\nR\u00e9gis Leroy discovered that Squid incorrectly validated certain data. A \nremote attacker could possibly use this issue to perform an HTTP request \nsplitting attack, resulting in cache poisoning. (CVE-2020-15811)\n\nLubos Uhliarik discovered that Squid incorrectly handled certain Cache \nDigest response messages sent by trusted peers. A remote attacker could \npossibly use this issue to cause Squid to consume resources, resulting in a \ndenial of service. (CVE-2020-24606)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2020-08-27T00:00:00", "type": "ubuntu", "title": "Squid vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.1, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-15810", "CVE-2020-15811", "CVE-2020-24606"], "modified": "2020-08-27T00:00:00", "id": "USN-4477-1", "href": "https://ubuntu.com/security/notices/USN-4477-1", "cvss": {"score": 7.1, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-06-13T15:28:06", "description": "## Releases\n\n * Ubuntu 19.10 \n * Ubuntu 18.04 ESM\n * Ubuntu 16.04 ESM\n\n## Packages\n\n * squid \\- Web proxy cache server\n * squid3 \\- Web proxy cache server\n\nJeriko One discovered that Squid incorrectly handled memory when connected \nto an FTP server. A remote attacker could possibly use this issue to obtain \nsensitive information from Squid memory. (CVE-2019-12528)\n\nRegis Leroy discovered that Squid incorrectly handled certain HTTP \nrequests. A remote attacker could possibly use this issue to access server \nresources prohibited by earlier security filters. (CVE-2020-8449)\n\nGuido Vranken discovered that Squid incorrectly handled certain buffer \noperations when acting as a reverse proxy. A remote attacker could use \nthis issue to cause Squid to crash, resulting in a denial of service, or \npossibly execute arbitrary code. (CVE-2020-8450)\n\nAaron Costello discovered that Squid incorrectly handled certain NTLM \nauthentication credentials. A remote attacker could possibly use this issue \nto cause Squid to crash, resulting in a denial of service. (CVE-2020-8517)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2020-02-20T00:00:00", "type": "ubuntu", "title": "Squid vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-12528", "CVE-2020-8449", "CVE-2020-8450", "CVE-2020-8517"], "modified": "2020-02-20T00:00:00", "id": "USN-4289-1", "href": "https://ubuntu.com/security/notices/USN-4289-1", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-06-06T15:37:46", "description": "## Releases\n\n * Ubuntu 20.10 \n * Ubuntu 20.04 LTS\n * Ubuntu 18.04 ESM\n * Ubuntu 16.04 ESM\n\n## Packages\n\n * squid \\- Web proxy cache server\n * squid3 \\- Web proxy cache server\n\nAlex Rousskov and Amit Klein discovered that Squid incorrectly handled \ncertain Content-Length headers. A remote attacker could possibly use this \nissue to perform an HTTP request smuggling attack, resulting in cache \npoisoning. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-15049)\n\nJianjun Chen discovered that Squid incorrectly validated certain input. A \nremote attacker could use this issue to perform HTTP Request Smuggling and \npossibly access services forbidden by the security controls. \n(CVE-2020-25097)\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH&