{"id": "USN-4065-2", "bulletinFamily": "unix", "title": "Squid vulnerabilities", "description": "USN-4065-1 fixed several vulnerabilities in Squid. This update provides \nthe corresponding update for Ubuntu 12.04 ESM.\n\nOriginal advisory details:\n\nIt was discovered that Squid incorrectly handled Digest authentication. A \nremote attacker could possibly use this issue to cause Squid to crash, \nresulting in a denial of service. (CVE-2019-12525)\n\nIt was discovered that Squid incorrectly handled Basic authentication. A \nremote attacker could possibly use this issue to cause Squid to crash, \nresulting in a denial of service. (CVE-2019-12529)", "published": "2019-07-22T00:00:00", "modified": "2019-07-22T00:00:00", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}, "href": "https://ubuntu.com/security/notices/USN-4065-2", "reporter": "Ubuntu", "references": ["https://people.canonical.com/~ubuntu-security/cve/CVE-2019-12525", "https://people.canonical.com/~ubuntu-security/cve/CVE-2019-12529"], "cvelist": ["CVE-2019-12529", "CVE-2019-12525"], "type": "ubuntu", "lastseen": "2020-07-02T11:33:41", "edition": 2, "viewCount": 84, "enchantments": {"dependencies": {"references": [{"type": "cve", "idList": ["CVE-2019-12525", "CVE-2019-12529"]}, {"type": "nessus", "idList": ["UBUNTU_USN-4065-1.NASL", "DEBIAN_DLA-2278.NASL", "SL_20200506_SQUID_ON_SL7_X.NASL", "ORACLELINUX_ELSA-2020-2040.NASL", "EULEROS_SA-2019-2053.NASL", "SUSE_SU-2019-2089-1.NASL", "EULEROS_SA-2019-2093.NASL", "FEDORA_2019-CB50BCC189.NASL", "DEBIAN_DLA-1858.NASL", "DEBIAN_DSA-4507.NASL"]}, {"type": "debian", "idList": ["DEBIAN:DSA-4507-1:28A22", "DEBIAN:DLA-2278-2:B1B82", "DEBIAN:DLA-1858-1:1A45F", "DEBIAN:DLA-2278-1:83AD0", "DEBIAN:DLA-2278-3:AD5E3"]}, {"type": "openvas", "idList": ["OPENVAS:1361412562311220192053", "OPENVAS:1361412562310852781", "OPENVAS:1361412562311220192093", "OPENVAS:1361412562310142631", "OPENVAS:1361412562310891858", "OPENVAS:1361412562310844099", "OPENVAS:1361412562310142632", "OPENVAS:1361412562310883239", "OPENVAS:1361412562310704507", "OPENVAS:1361412562310876676"]}, {"type": "ubuntu", "idList": ["USN-4065-1"]}, {"type": "fedora", "idList": ["FEDORA:5413A60A7E8A"]}, {"type": "redhat", "idList": ["RHSA-2020:4743", "RHSA-2020:2041", "RHSA-2020:2040"]}, {"type": "centos", "idList": ["CESA-2020:2040"]}, {"type": "oraclelinux", "idList": ["ELSA-2020-4082", "ELSA-2020-3623", "ELSA-2020-2041", "ELSA-2020-2040"]}, {"type": "suse", "idList": ["OPENSUSE-SU-2019:2541-1", "OPENSUSE-SU-2019:2540-1"]}, {"type": "amazon", "idList": ["ALAS-2020-1386", "ALAS2-2020-1448", "ALAS-2020-1378"]}], "modified": "2020-07-02T11:33:41", "rev": 2}, "score": {"value": 6.1, "vector": "NONE", "modified": "2020-07-02T11:33:41", "rev": 2}, "vulnersScore": 6.1}, "affectedPackage": [{"OS": "Ubuntu", "OSVersion": "12.04", "arch": "noarch", "operator": "lt", "packageFilename": "UNKNOWN", "packageName": "squid3", "packageVersion": "3.1.19-1ubuntu3.12.04.10"}], "scheme": null}

{"cve": [{"lastseen": "2020-12-09T21:41:41", "description": "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. 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.", "edition": 14, "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 5.9, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 3.6}, "published": "2019-07-11T19:15:00", "title": "CVE-2019-12529", "type": "cve", "cwe": ["CWE-200"], "bulletinFamily": "NVD", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-12529"], "modified": "2020-07-11T00:15:00", "cpe": ["cpe:/a:squid-cache:squid:2.7.stable8", "cpe:/a:squid-cache:squid:2.7.stable6", "cpe:/a:squid-cache:squid:2.7.stable4", "cpe:/a:squid-cache:squid:2.7.stable7", "cpe:/a:squid-cache:squid:2.7.stable2", "cpe:/a:squid-cache:squid:2.7.stable1", "cpe:/a:squid-cache:squid:3.5.28", "cpe:/a:squid-cache:squid:2.7.stable5", "cpe:/a:squid-cache:squid:2.7", "cpe:/a:squid-cache:squid:4.7", "cpe:/a:squid-cache:squid:2.7.stable9", "cpe:/a:squid-cache:squid:2.7.stable3"], "id": "CVE-2019-12529", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-12529", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:P/I:N/A:N"}, "cpe23": ["cpe:2.3:a:squid-cache:squid:2.7.stable6:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:4.7:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.7.stable9:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.7.stable4:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.7.stable8:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.7.stable7:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.7.stable1:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.7.stable3:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.7.stable5:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.7:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.7.stable2:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:3.5.28:*:*:*:*:*:*:*"]}, {"lastseen": "2020-12-09T21:41:41", "description": "An issue was discovered in Squid 3.3.9 through 3.5.28 and 4.x through 4.7. 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.", "edition": 14, "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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.9}, "published": "2019-07-11T19:15:00", "title": "CVE-2019-12525", "type": "cve", "cwe": ["CWE-119"], "bulletinFamily": "NVD", "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-2019-12525"], "modified": "2020-07-11T00:15:00", "cpe": ["cpe:/a:squid-cache:squid:3.5.28", "cpe:/a:squid-cache:squid:4.7"], "id": "CVE-2019-12525", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-12525", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}, "cpe23": ["cpe:2.3:a:squid-cache:squid:4.7:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:3.5.28:*:*:*:*:*:*:*"]}], "debian": [{"lastseen": "2020-08-12T01:05:50", "bulletinFamily": "unix", "cvelist": ["CVE-2019-12529", "CVE-2019-12525"], "description": "Package : squid3\nVersion : 3.4.8-6+deb8u8\nCVE ID : CVE-2019-12525 CVE-2019-12529\n\n\nSquid, a high-performance proxy caching server for web clients, has been\nfound vulnerable to denial of service attacks associated with HTTP\nauthentication header processing.\n\nCVE-2019-12525\n\n Due to incorrect buffer management Squid is vulnerable to a denial\n of service attack when processing HTTP Digest Authentication\n credentials.\n\n Due to incorrect input validation the HTTP Request header parser for\n Digest authentication may access memory outside the allocated memory\n buffer.\n\n On systems with memory access protections this can result in the\n Squid process being terminated unexpectedly. Resulting in a denial\n of service for all clients using the proxy.\n\nCVE-2019-12529\n\n Due to incorrect buffer management Squid is vulnerable to a denial\n of service attack when processing HTTP Basic Authentication\n credentials.\n\n Due to incorrect string termination the Basic authentication\n credentials decoder may access memory outside the decode buffer.\n\n On systems with memory access protections this can result in the\n Squid process being terminated unexpectedly. Resulting in a denial\n of service for all clients using the proxy.\n\nFor Debian 8 &quot;Jessie&quot;, these problems have been fixed in version\n3.4.8-6+deb8u8.\n\nWe recommend that you upgrade your squid3 packages.\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", "edition": 9, "modified": "2019-07-20T23:09:51", "published": "2019-07-20T23:09:51", "id": "DEBIAN:DLA-1858-1:1A45F", "href": "https://lists.debian.org/debian-lts-announce/2019/debian-lts-announce-201907/msg00018.html", "title": "[SECURITY] [DLA 1858-1] squid3 security update", "type": "debian", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2020-08-12T00:55:39", "bulletinFamily": "unix", "cvelist": ["CVE-2019-12527", "CVE-2019-12529", "CVE-2019-13345", "CVE-2019-12525", "CVE-2019-12854"], "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-4507-1 security@debian.org\nhttps://www.debian.org/security/ Salvatore Bonaccorso\nAugust 24, 2019 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : squid\nCVE ID : CVE-2019-12525 CVE-2019-12527 CVE-2019-12529 CVE-2019-12854\n CVE-2019-13345\nDebian Bug : 931478\n\nSeveral vulnerabilities were discovered in Squid, a fully featured web\nproxy cache. The flaws in the HTTP Digest Authentication processing, the\nHTTP Basic Authentication processing and in the cachemgr.cgi allowed\nremote attackers to perform denial of service and cross-site scripting\nattacks, and potentially the execution of arbitrary code.\n\nFor the stable distribution (buster), these problems have been fixed in\nversion 4.6-1+deb10u1.\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\n", "edition": 7, "modified": "2019-08-24T11:46:52", "published": "2019-08-24T11:46:52", "id": "DEBIAN:DSA-4507-1:28A22", "href": "https://lists.debian.org/debian-security-announce/debian-security-announce-2019/msg00155.html", "title": "[SECURITY] [DSA 4507-1] squid security update", "type": "debian", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2020-09-05T12:51:07", "bulletinFamily": "unix", "cvelist": ["CVE-2019-12529"], "description": "- -------------------------------------------------------------------------\nDebian LTS Advisory DLA-2278-3 debian-lts@lists.debian.org\nhttps://www.debian.org/lts/security/ Markus Koschany\nSeptember 04, 2020 https://wiki.debian.org/LTS\n- -------------------------------------------------------------------------\n\nPackage : squid3\nVersion : 3.5.23-5+deb9u4\nDebian Bug : 969526\n\nThe update of squid3 released as DLA-2278-2 introduced a regression\ndue to the updated fix for CVE-2019-12529. The new Kerberos\nauthentication code prevented base64 token negotiation. Updated squid3\npackages are now\navailable to correct this issue.\n\nFor Debian 9 stretch, this problem has been fixed in version\n3.5.23-5+deb9u4.\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\n", "edition": 1, "modified": "2020-09-04T21:51:13", "published": "2020-09-04T21:51:13", "id": "DEBIAN:DLA-2278-3:AD5E3", "href": "https://lists.debian.org/debian-lts-announce/2020/debian-lts-announce-202009/msg00005.html", "title": "[SECURITY] [DLA 2278-3] squid3 regression update", "type": "debian", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2020-08-14T01:03:24", "bulletinFamily": "unix", "cvelist": ["CVE-2019-12529", "CVE-2019-12523"], "description": "- -----------------------------------------------------------------------\nDebian LTS Advisory DLA-2278-2 debian-lts@lists.debian.org\nhttps://www.debian.org/lts/security/ Markus Koschany\nAugust 13, 2020 https://wiki.debian.org/LTS\n- -------------------------------------------------------------------------\n\nPackage : squid3\nVersion : 3.5.23-5+deb9u3\nDebian Bug : 965012\n\nThe update of squid3 released as DLA-2278-1 contained an incomplete\nfix for CVE-2019-12523 that prevented services which rely on the icap\nor ecap protocol to function properly. Updated squid3 packages are now\navailable to correct this issue.\n\nIn addition the patch for CVE-2019-12529 was improved to use more code\nfrom Debian&#x27;s cryptographic nettle library.\n\nFor Debian 9 stretch, this problem has been fixed in version\n3.5.23-5+deb9u3.\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\n", "edition": 1, "modified": "2020-08-13T20:42:45", "published": "2020-08-13T20:42:45", "id": "DEBIAN:DLA-2278-2:B1B82", "href": "https://lists.debian.org/debian-lts-announce/2020/debian-lts-announce-202008/msg00022.html", "title": "[SECURITY] [DLA 2278-2] squid3 regression update", "type": "debian", "cvss": {"score": 6.4, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:N"}}, {"lastseen": "2020-08-12T00:57:58", "bulletinFamily": "unix", "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"], "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\n", "edition": 5, "modified": "2020-07-10T21:55:39", "published": "2020-07-10T21:55:39", "id": "DEBIAN:DLA-2278-1:83AD0", "href": "https://lists.debian.org/debian-lts-announce/2020/debian-lts-announce-202007/msg00009.html", "title": "[SECURITY] [DLA 2278-1] squid3 security update", "type": "debian", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "nessus": [{"lastseen": "2021-01-12T09:41:02", "description": "Squid, a high-performance proxy caching server for web clients, has\nbeen found vulnerable to denial of service attacks associated with\nHTTP authentication header processing.\n\nCVE-2019-12525\n\nDue to incorrect buffer management Squid is vulnerable to a denial of\nservice attack when processing HTTP Digest Authentication credentials.\n\nDue to incorrect input validation the HTTP Request header\nparser for Digest authentication may access memory outside\nthe allocated memory buffer.\n\nOn systems with memory access protections this can result in\nthe Squid process being terminated unexpectedly. Resulting\nin a denial of service for all clients using the proxy.\n\nCVE-2019-12529\n\nDue to incorrect buffer management Squid is vulnerable to a denial of\nservice attack when processing HTTP Basic Authentication credentials.\n\nDue to incorrect string termination the Basic authentication\ncredentials decoder may access memory outside the decode\nbuffer.\n\nOn systems with memory access protections this can result in\nthe Squid process being terminated unexpectedly. Resulting\nin a denial of service for all clients using the proxy.\n\nFor Debian 8 'Jessie', these problems have been fixed in version\n3.4.8-6+deb8u8.\n\nWe recommend that you upgrade your squid3 packages.\n\nNOTE: Tenable Network Security has extracted the preceding description\nblock directly from the DLA security advisory. Tenable has attempted\nto automatically clean and format it as much as possible without\nintroducing additional issues.", "edition": 16, "cvss3": {"score": 9.8, "vector": "AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}, "published": "2019-07-22T00:00:00", "title": "Debian DLA-1858-1 : squid3 security update", "type": "nessus", "bulletinFamily": "scanner", "cvelist": ["CVE-2019-12529", "CVE-2019-12525"], "modified": "2019-07-22T00:00:00", "cpe": ["p-cpe:/a:debian:debian_linux:squid-purge", "p-cpe:/a:debian:debian_linux:squid-cgi", "p-cpe:/a:debian:debian_linux:squid3", "cpe:/o:debian:debian_linux:8.0", "p-cpe:/a:debian:debian_linux:squidclient", "p-cpe:/a:debian:debian_linux:squid3-common", "p-cpe:/a:debian:debian_linux:squid3-dbg"], "id": "DEBIAN_DLA-1858.NASL", "href": "https://www.tenable.com/plugins/nessus/126835", "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 Debian Security Advisory DLA-1858-1. 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(CVE-2019-12529)", "edition": 3, "modified": "2019-07-18T00:00:00", "published": "2019-07-18T00:00:00", "id": "USN-4065-1", "href": "https://ubuntu.com/security/notices/USN-4065-1", "title": "Squid vulnerabilities", "type": "ubuntu", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "fedora": [{"lastseen": "2020-12-21T08:17:55", "bulletinFamily": "unix", "cvelist": ["CVE-2019-12525", "CVE-2019-12527", "CVE-2019-12529", "CVE-2019-12854", "CVE-2019-13345"], "description": "Squid is a high-performance proxy caching server for Web clients, supporting FTP, gopher, and HTTP data objects. Unlike traditional caching software, Squid handles all requests in a single, non-blocking, I/O-driven process. Squid keeps meta data and especially hot objects cached in RAM, caches DNS lookups, supports non-blocking DNS lookups, and implements negative caching of failed requests. Squid consists of a main server program squid, a Domain Name System lookup program (dnsserver), a program for retrieving FTP data (ftpget), and some management and client tools. ", "modified": "2019-08-14T01:42:54", "published": "2019-08-14T01:42:54", "id": "FEDORA:5413A60A7E8A", "href": "", "type": "fedora", "title": "[SECURITY] Fedora 29 Update: squid-4.8-2.fc29", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "oraclelinux": [{"lastseen": "2020-05-07T19:02:59", "bulletinFamily": "unix", "cvelist": ["CVE-2019-12519", "CVE-2019-12525", "CVE-2020-11945"], "description": "[7:3.5.20-15.1]\n- Resolves: #1828359 - CVE-2020-11945 squid: improper access restriction upon\n Digest Authentication nonce replay could lead to remote code execution\n- Resolves: #1828360 - CVE-2019-12519 squid: improper check for new member in\n ESIExpression::Evaluate allows for stack buffer overflow\n- Resolves: #1829772 - CVE-2019-12525 squid: parsing of header\n Proxy-Authentication leads to memory corruption", "edition": 2, "modified": "2020-05-07T00:00:00", "published": "2020-05-07T00:00:00", "id": "ELSA-2020-2040", "href": "http://linux.oracle.com/errata/ELSA-2020-2040.html", "title": "squid security update", "type": "oraclelinux", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2020-12-30T19:28:16", "bulletinFamily": "unix", "cvelist": ["CVE-2019-12519", "CVE-2019-12525", "CVE-2020-11945"], "description": "squid\n[7:4.4-8.1]\n- Resolves: #1828368 - 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CVE-2020-24606 squid: Improper Input Validation could\n result in a DoS\n- Resolves: #1872327 - CVE-2020-15810 squid: HTTP Request Smuggling could\n result in cache poisoning\n- Resolves: #1872342 - CVE-2020-15811 squid: HTTP Request Splitting could\n result in cache poisoning\n[7:3.5.20-17.2]\n- Resolves: #1802516 - CVE-2020-8449 squid: Improper input validation issues\n in HTTP Request processing\n- Resolves: #1802515 - CVE-2020-8450 squid: Buffer overflow in a Squid acting\n as reverse-proxy\n- Resolves: #1853129 - CVE-2020-15049 squid: request smuggling and poisoning\n attack against the HTTP cache\n- Resolves: #1802517 - CVE-2019-12528 squid: Information Disclosure issue in\n FTP Gateway\n[7:3.5.20-17]\n- Resolves: #1828361 - CVE-2020-11945 squid: improper access restriction upon\n Digest Authentication nonce replay could lead to remote code execution\n- Resolves: #1828362 - CVE-2019-12519 squid: improper check for new member in\n ESIExpression::Evaluate allows for stack buffer overflow [rhel\n[7:3.5.20-16]\n- Resolves: #1738582 - CVE-2019-12525 squid: parsing of header\n Proxy-Authentication leads to memory corruption", "edition": 2, "modified": "2020-10-08T00:00:00", "published": "2020-10-08T00:00:00", "id": "ELSA-2020-4082", "href": "http://linux.oracle.com/errata/ELSA-2020-4082.html", "title": "squid security update", "type": "oraclelinux", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "centos": [{"lastseen": "2020-05-21T19:14:18", "bulletinFamily": "unix", "cvelist": ["CVE-2019-12519", "CVE-2019-12525", "CVE-2020-11945"], "description": "**CentOS Errata and Security Advisory** CESA-2020:2040\n\n\nSquid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.\n\nSecurity Fix(es):\n\n* squid: improper check for new member in ESIExpression::Evaluate allows for stack buffer overflow (CVE-2019-12519)\n\n* squid: improper access restriction upon Digest Authentication nonce replay could lead to remote code execution (CVE-2020-11945)\n\n* squid: parsing of header Proxy-Authentication leads to memory corruption (CVE-2019-12525)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\n**Merged security bulletin from advisories:**\nhttp://lists.centos.org/pipermail/centos-announce/2020-May/035741.html\n\n**Affected packages:**\nsquid\nsquid-migration-script\nsquid-sysvinit\n\n**Upstream details at:**\n", "edition": 1, "modified": "2020-05-21T14:55:03", "published": "2020-05-21T14:55:03", "id": "CESA-2020:2040", "href": "http://lists.centos.org/pipermail/centos-announce/2020-May/035741.html", "title": "squid security update", "type": "centos", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "redhat": [{"lastseen": "2020-05-06T13:41:56", "bulletinFamily": "unix", "cvelist": ["CVE-2019-12519", "CVE-2019-12525", "CVE-2020-11945"], "description": "Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.\n\nSecurity Fix(es):\n\n* squid: improper check for new member in ESIExpression::Evaluate allows for stack buffer overflow (CVE-2019-12519)\n\n* squid: improper access restriction upon Digest Authentication nonce replay could lead to remote code execution (CVE-2020-11945)\n\n* squid: parsing of header Proxy-Authentication leads to memory corruption (CVE-2019-12525)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "modified": "2020-05-06T17:05:21", "published": "2020-05-06T16:46:17", "id": "RHSA-2020:2040", "href": "https://access.redhat.com/errata/RHSA-2020:2040", "type": "redhat", "title": "(RHSA-2020:2040) Important: squid security update", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2020-11-10T10:21:26", "bulletinFamily": "unix", "cvelist": ["CVE-2019-12519", "CVE-2019-12525", "CVE-2020-11945"], "description": "Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.\n\nSecurity Fix(es):\n\n* squid: improper check for new member in ESIExpression::Evaluate allows for stack buffer overflow (CVE-2019-12519)\n\n* squid: improper access restriction upon Digest Authentication nonce replay could lead to remote code execution (CVE-2020-11945)\n\n* squid: parsing of header Proxy-Authentication leads to memory corruption (CVE-2019-12525)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "modified": "2020-05-06T17:12:16", "published": "2020-05-06T16:52:10", "id": "RHSA-2020:2041", "href": "https://access.redhat.com/errata/RHSA-2020:2041", "type": "redhat", "title": "(RHSA-2020:2041) Important: squid:4 security update", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2020-11-10T10:21:55", "bulletinFamily": "unix", "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"], "description": "Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.\n\nThe following packages have been upgraded to a later upstream version: squid (4.11). (BZ#1829467)\n\nSecurity Fix(es):\n\n* squid: Improper input validation in request allows for proxy manipulation (CVE-2019-12520)\n\n* squid: Off-by-one error in addStackElement allows for heap buffer overflow and crash (CVE-2019-12521)\n\n* squid: Improper input validation in URI processor (CVE-2019-12523)\n\n* squid: Improper access restriction in url_regex may lead to security bypass (CVE-2019-12524)\n\n* squid: Heap overflow issue in URN processing (CVE-2019-12526)\n\n* squid: Information Disclosure issue in FTP Gateway (CVE-2019-12528)\n\n* squid: Out of bounds read in Proxy-Authorization header causes DoS (CVE-2019-12529)\n\n* squid: Denial of service in cachemgr.cgi (CVE-2019-12854)\n\n* squid: Buffer overflow in URI processor (CVE-2019-18676)\n\n* squid: Cross-Site Request Forgery issue in HTTP Request processing (CVE-2019-18677)\n\n* squid: HTTP Request Splitting issue in HTTP message processing (CVE-2019-18678)\n\n* squid: Information Disclosure issue in HTTP Digest Authentication (CVE-2019-18679)\n\n* squid: Mishandled HTML in the host parameter to cachemgr.cgi results in insecure behaviour (CVE-2019-18860)\n\n* squid: Improper input validation issues in HTTP Request processing (CVE-2020-8449)\n\n* squid: Buffer overflow in reverse-proxy configurations (CVE-2020-8450)\n\n* squid: DoS in TLS handshake (CVE-2020-14058)\n\n* squid: Request smuggling and poisoning attack against the HTTP cache (CVE-2020-15049)\n\n* squid: Improper input validation could result in a DoS (CVE-2020-24606)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.", "modified": "2020-11-04T05:02:31", "published": "2020-11-03T17:32:17", "id": "RHSA-2020:4743", "href": "https://access.redhat.com/errata/RHSA-2020:4743", "type": "redhat", "title": "(RHSA-2020:4743) Moderate: squid:4 security, bug fix, and enhancement update", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "suse": [{"lastseen": "2019-11-21T21:21:35", "bulletinFamily": "unix", "cvelist": ["CVE-2019-12527", "CVE-2019-12529", "CVE-2019-18677", "CVE-2019-12523", "CVE-2019-13345", "CVE-2019-18678", "CVE-2019-18676", "CVE-2019-3688", "CVE-2019-12525", "CVE-2019-12854", "CVE-2019-12526", "CVE-2019-18679"], "description": "This update for squid to version 4.9 fixes the following issues:\n\n Security issues fixed:\n\n - CVE-2019-13345: Fixed multiple cross-site scripting vulnerabilities in\n cachemgr.cgi (bsc#1140738).\n - CVE-2019-12526: Fixed potential remote code execution during URN\n processing (bsc#1156326).\n - CVE-2019-12523,CVE-2019-18676: Fixed multiple improper validations in\n URI processing (bsc#1156329).\n - CVE-2019-18677: Fixed Cross-Site Request Forgery in HTTP Request\n processing (bsc#1156328).\n - CVE-2019-18678: Fixed incorrect message parsing which could have led to\n HTTP request splitting issue (bsc#1156323).\n - CVE-2019-18679: Fixed information disclosure when processing HTTP Digest\n Authentication (bsc#1156324).\n\n Other issues addressed:\n\n * Fixed DNS failures when peer name was configured with any upper case\n characters\n * Fixed several rock cache_dir corruption issues\n\n This update was imported from the SUSE:SLE-15:Update update project.\n\n", "edition": 1, "modified": "2019-11-21T18:17:03", "published": "2019-11-21T18:17:03", "id": "OPENSUSE-SU-2019:2540-1", "href": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00053.html", "title": "Security update for squid (important)", "type": "suse", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2019-11-21T21:21:35", "bulletinFamily": "unix", "cvelist": ["CVE-2019-12527", "CVE-2019-12529", "CVE-2019-18677", "CVE-2019-12523", "CVE-2019-13345", "CVE-2019-18678", "CVE-2019-18676", "CVE-2019-3688", "CVE-2019-12525", "CVE-2019-12854", "CVE-2019-12526", "CVE-2019-18679"], "description": "This update for squid to version 4.9 fixes the following issues:\n\n Security issues fixed:\n\n - CVE-2019-13345: Fixed multiple cross-site scripting vulnerabilities in\n cachemgr.cgi (bsc#1140738).\n - CVE-2019-12526: Fixed potential remote code execution during URN\n processing (bsc#1156326).\n - CVE-2019-12523,CVE-2019-18676: Fixed multiple improper validations in\n URI processing (bsc#1156329).\n - CVE-2019-18677: Fixed Cross-Site Request Forgery in HTTP Request\n processing (bsc#1156328).\n - CVE-2019-18678: Fixed incorrect message parsing which could have led to\n HTTP request splitting issue (bsc#1156323).\n - CVE-2019-18679: Fixed information disclosure when processing HTTP Digest\n Authentication (bsc#1156324).\n\n Other issues addressed:\n\n * Fixed DNS failures when peer name was configured with any upper case\n characters\n * Fixed several rock cache_dir corruption issues\n\n This update was imported from the SUSE:SLE-15:Update update project.\n\n", "edition": 1, "modified": "2019-11-21T18:20:01", "published": "2019-11-21T18:20:01", "id": "OPENSUSE-SU-2019:2541-1", "href": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00056.html", "title": "Security update for squid (important)", "type": "suse", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "amazon": [{"lastseen": "2020-11-10T12:37:21", "bulletinFamily": "unix", "cvelist": ["CVE-2019-12519", "CVE-2019-12521", "CVE-2019-12525", "CVE-2020-11945"], "description": "**Issue Overview:**\n\nAn issue was discovered in Squid through 4.7. When handling the tag esi:when when ESI is enabled, Squid calls ESIExpression::Evaluate. This function uses a fixed stack buffer to hold the expression while it's being evaluated. When processing the expression, it could either evaluate the top of the stack, or add a new member to the stack. When adding a new member, there is no check to ensure that the stack won't overflow.([CVE-2019-12519 __](<https://access.redhat.com/security/cve/CVE-2019-12519>))\n\nAn 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.([CVE-2019-12521 __](<https://access.redhat.com/security/cve/CVE-2019-12521>))\n\nAn issue was discovered in Squid 3.3.9 through 3.5.28 and 4.x through 4.7. 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 __](<https://access.redhat.com/security/cve/CVE-2019-12525>))\n\nAn 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 __](<https://access.redhat.com/security/cve/CVE-2020-11945>))\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 squid-3.5.20-15.39.amzn1.i686 \n squid-debuginfo-3.5.20-15.39.amzn1.i686 \n squid-migration-script-3.5.20-15.39.amzn1.i686 \n \n src: \n squid-3.5.20-15.39.amzn1.src \n \n x86_64: \n squid-migration-script-3.5.20-15.39.amzn1.x86_64 \n squid-3.5.20-15.39.amzn1.x86_64 \n squid-debuginfo-3.5.20-15.39.amzn1.x86_64 \n \n \n", "edition": 3, "modified": "2020-06-01T12:25:00", "published": "2020-06-01T12:25:00", "id": "ALAS-2020-1378", "href": "https://alas.aws.amazon.com/ALAS-2020-1378.html", "title": "Important: squid", "type": "amazon", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2020-11-10T12:35:18", "bulletinFamily": "unix", "cvelist": ["CVE-2019-12519", "CVE-2019-13345", "CVE-2019-12525", "CVE-2020-11945"], "description": "**Issue Overview:**\n\nAn 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 __](<https://access.redhat.com/security/cve/CVE-2020-11945>))\n\nAn issue was discovered in Squid through 4.7. When handling the tag esi:when when ESI is enabled, Squid calls ESIExpression::Evaluate. This function uses a fixed stack buffer to hold the expression while it's being evaluated. When processing the expression, it could either evaluate the top of the stack, or add a new member to the stack. When adding a new member, there is no check to ensure that the stack won't overflow. ([CVE-2019-12519 __](<https://access.redhat.com/security/cve/CVE-2019-12519>))\n\nAn issue was discovered in Squid 3.3.9 through 3.5.28 and 4.x through 4.7. 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 __](<https://access.redhat.com/security/cve/CVE-2019-12525>))\n\nThe cachemgr.cgi web module of Squid through 4.7 has XSS via the user_name or auth parameter. ([CVE-2019-13345 __](<https://access.redhat.com/security/cve/CVE-2019-13345>))\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 squid-3.5.20-15.39.amzn1.i686 \n squid-debuginfo-3.5.20-15.39.amzn1.i686 \n squid-migration-script-3.5.20-15.39.amzn1.i686 \n \n src: \n squid-3.5.20-15.39.amzn1.src \n \n x86_64: \n squid-migration-script-3.5.20-15.39.amzn1.x86_64 \n squid-3.5.20-15.39.amzn1.x86_64 \n squid-debuginfo-3.5.20-15.39.amzn1.x86_64 \n \n \n", "edition": 3, "modified": "2020-06-23T06:08:00", "published": "2020-06-23T06:08:00", "id": "ALAS-2020-1386", "href": "https://alas.aws.amazon.com/ALAS-2020-1386.html", "title": "Important: squid", "type": "amazon", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2020-11-10T12:37:23", "bulletinFamily": "unix", "cvelist": ["CVE-2019-12519", "CVE-2019-13345", "CVE-2019-12525", "CVE-2020-11945"], "description": "**Issue Overview:**\n\nAn 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 __](<https://access.redhat.com/security/cve/CVE-2020-11945>))\n\nAn issue was discovered in Squid through 4.7. When handling the tag esi:when when ESI is enabled, Squid calls ESIExpression::Evaluate. This function uses a fixed stack buffer to hold the expression while it's being evaluated. When processing the expression, it could either evaluate the top of the stack, or add a new member to the stack. When adding a new member, there is no check to ensure that the stack won't overflow. ([CVE-2019-12519 __](<https://access.redhat.com/security/cve/CVE-2019-12519>))\n\nAn issue was discovered in Squid 3.3.9 through 3.5.28 and 4.x through 4.7. 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 __](<https://access.redhat.com/security/cve/CVE-2019-12525>))\n\nThe cachemgr.cgi web module of Squid through 4.7 has XSS via the user_name or auth parameter. ([CVE-2019-13345 __](<https://access.redhat.com/security/cve/CVE-2019-13345>))\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 squid-3.5.20-15.amzn2.1.aarch64 \n squid-sysvinit-3.5.20-15.amzn2.1.aarch64 \n squid-migration-script-3.5.20-15.amzn2.1.aarch64 \n squid-debuginfo-3.5.20-15.amzn2.1.aarch64 \n \n i686: \n squid-3.5.20-15.amzn2.1.i686 \n squid-sysvinit-3.5.20-15.amzn2.1.i686 \n squid-migration-script-3.5.20-15.amzn2.1.i686 \n squid-debuginfo-3.5.20-15.amzn2.1.i686 \n \n src: \n squid-3.5.20-15.amzn2.1.src \n \n x86_64: \n squid-3.5.20-15.amzn2.1.x86_64 \n squid-sysvinit-3.5.20-15.amzn2.1.x86_64 \n squid-migration-script-3.5.20-15.amzn2.1.x86_64 \n squid-debuginfo-3.5.20-15.amzn2.1.x86_64 \n \n \n", "edition": 1, "modified": "2020-06-26T22:56:00", "published": "2020-06-26T22:56:00", "id": "ALAS2-2020-1448", "href": "https://alas.aws.amazon.com/AL2/ALAS-2020-1448.html", "title": "Important: squid", "type": "amazon", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}]}