{"id":"CVE-2016-7142","aliases":["DEBIAN-CVE-2016-7142","DSA-3662-1","EUVD-2016-8014","GHSA-2vvc-952f-f8xg","UBUNTU-CVE-2016-7142","USN-7405-1"],"status":"published","title":"The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL...","description":"The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL authentication, allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted SASL message.","severity":{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0108,"percentile":0.65328,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-264"],"published":"2016-09-08T00:00:00Z","modified":"2026-10-20T13:14:26Z","fixes":[{"ecosystem":"Debian:12","package":"inspircd","fixed_in":["2.0.23-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"inspircd","fixed_in":["2.0.23-1"],"sources":["osv"]},{"ecosystem":"Debian:8","package":"inspircd","fixed_in":["2.0.17-1+deb8u2"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:16.04:LTS","package":"inspircd","fixed_in":["2.0.20-5ubuntu0.1~esm1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"inspircd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.23-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"inspircd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.23-1"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"inspircd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.17-1+deb8u2"}]}],"versions":["2.0.17-1","2.0.17-1+deb8u1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"inspircd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.20-5ubuntu0.1~esm1"}]}],"versions":["2.0.20-3","2.0.20-4","2.0.20-5","2.0.20-5build1","2.0.20-5build2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"inspircd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.20-5ubuntu0.1~esm1"}]}],"versions":["2.0.20-3","2.0.20-4","2.0.20-5","2.0.20-5build1","2.0.20-5build2"],"bundled":3},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"inspircd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.24-1ubuntu1+esm1"}]}],"versions":["2.0.24-1ubuntu1"],"bundled":3},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"inspircd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.0-2ubuntu1+esm1"}]}],"versions":["2.0.27-1ubuntu2","3.4.0-2ubuntu1"],"bundled":3}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"inspircd","product":"inspircd"}],"references":[{"url":"http://www.inspircd.org/2016/09/03/v2023-released.html","tags":["x_refsource_CONFIRM","x_transferred","Release Notes","Vendor Advisory","advisory","report"]},{"url":"https://github.com/inspircd/inspircd/commit/74fafb7f11b06747f69f182ad5e3769b665eea7a","tags":["x_refsource_CONFIRM","x_transferred","fix"]},{"url":"http://www.openwall.com/lists/oss-security/2016/09/05/8","tags":["mailing-list","x_refsource_MLIST","x_transferred","Third Party Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2016/09/04/3","tags":["mailing-list","x_refsource_MLIST","x_transferred","web","report"]},{"url":"http://www.debian.org/security/2016/dsa-3662","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-7142"},{"url":"https://github.com/advisories/GHSA-2vvc-952f-f8xg"},{"url":"https://security-tracker.debian.org/tracker/CVE-2016-7142","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2016-7142","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-7142","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-7405-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-20917","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-25269","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-7142","description":"The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL authentication, allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted SASL message.","status":"published","published":"2016-09-26T15:00:00Z","modified":"2024-08-06T01:50:47.439Z","updated_at":"2026-11-02T14:33:36.175943Z"}],"euvd":[{"id":"EUVD-2016-8014","description":"The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL authentication, allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted SASL message.","status":"published","published":"2016-09-26T15:00:00Z","modified":"2024-08-06T01:50:47Z","updated_at":"2026-11-03T02:22:34.032839Z"}],"ghsa":[{"id":"GHSA-2vvc-952f-f8xg","title":"The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL...","description":"The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL authentication, allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted SASL message.","status":"published","published":"2022-05-13T01:16:18Z","modified":"2023-02-01T05:04:51Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T14:50:11.446996Z"}],"nvd":[{"id":"CVE-2016-7142","description":"The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL authentication, allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted SASL message.","status":"published","published":"2016-09-26T15:59:03.267Z","modified":"2026-06-17T00:52:40.38Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:03:31.485755Z"}],"osv":[{"id":"CVE-2016-7142","description":"The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL authentication, allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted SASL message.","status":"published","published":"2016-09-26T15:59:03.267Z","modified":"2026-10-20T13:14:26.381628099Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:02.776224Z"},{"id":"DEBIAN-CVE-2016-7142","description":"The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL authentication, allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted SASL message.","status":"published","published":"2016-09-26T15:59:03.267Z","modified":"2026-09-22T07:01:35.382103474Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:27.910042Z"},{"id":"UBUNTU-CVE-2016-7142","description":"The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL authentication, allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted SASL message.","status":"published","published":"2016-09-26T15:59:00Z","modified":"2026-04-22T10:56:34.855153Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:12.642042Z"},{"id":"DSA-3662-1","title":"inspircd - security update","status":"published","published":"2016-09-08T00:00:00Z","modified":"2026-03-09T01:19:31.822758Z","updated_at":"2026-11-02T15:46:16.199525Z"},{"id":"USN-7405-1","title":"inspircd vulnerabilities","description":"It was discovered that InspIRCd did not correctly handle certificate\nfingerprints, which could lead to spoofing. A remote attacker could\npossibly use this issue to bypass authentication. This issue only affected\nUbuntu 16.04 LTS. (CVE-2016-7142)\n\nIt was discovered that InspIRCd did not correctly handle certain memory\noperations, which could lead to a NULL pointer dereference. A remote\nattacker could possibly use this issue to cause a denial of service. This\nissue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.\n(CVE-2019-20917)\n\nIt was discovered that InspIRCd did not correctly handle certain memory\noperations, which could lead to a use-after-free. A remote attacker could\npossibly use this issue to cause a denial of service. (CVE-2020-25269)\n","status":"published","published":"2025-04-02T05:04:12Z","modified":"2026-06-25T13:32:30.279587496Z","updated_at":"2026-11-02T16:58:19.988474Z"}]}}