{"id":"CVE-2011-1829","aliases":["DEBIAN-CVE-2011-1829","EUVD-2011-1827","GHSA-qq54-xq37-2h5v"],"status":"published","title":"APT before 0.8.15.2 does not properly validate inline GPG signatures, which allows man-in-the...","description":"APT before 0.8.15.2 does not properly validate inline GPG signatures, which allows man-in-the-middle attackers to install modified packages via vectors involving lack of an initial clearsigned message.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01686,"percentile":0.77172,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2011-07-27T01:29:00Z","modified":"2026-10-23T17:47:29Z","fixes":[{"ecosystem":"Debian:12","package":"apt","fixed_in":["0.8.15.2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"apt","fixed_in":["0.8.15.2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"apt","fixed_in":["0.8.15.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"apt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.15.2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"apt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.15.2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"apt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.15.2"}]}]}],"products":[{"vendor":"canonical","product":"ubuntu_linux"},{"vendor":"debian","product":"advanced_package_tool"}],"references":[{"url":"http://packages.debian.org/changelogs/pool/main/a/apt/current/changelog","tags":["x_refsource_CONFIRM","x_transferred","Release Notes","Vendor Advisory","advisory"]},{"url":"http://www.ubuntu.com/usn/USN-1169-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory"]},{"url":"https://launchpad.net/ubuntu/+archive/primary/+sourcepub/1817196/+listing-archive-extra","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix"]},{"url":"http://www.securityfocus.com/bid/48671","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://launchpad.net/bugs/784473","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"http://launchpadlibrarian.net/75126628/apt_0.8.13.2ubuntu2_0.8.13.2ubuntu4.1.diff.gz","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","advisory","fix"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/68560","tags":["vdb-entry","x_refsource_XF","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1829"},{"url":"https://github.com/advisories/GHSA-qq54-xq37-2h5v"},{"url":"https://security-tracker.debian.org/tracker/CVE-2011-1829","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2011-1829","description":"APT before 0.8.15.2 does not properly validate inline GPG signatures, which allows man-in-the-middle attackers to install modified packages via vectors involving lack of an initial clearsigned message.","status":"published","published":"2011-07-27T01:29:00Z","modified":"2024-08-06T22:37:25.813Z","updated_at":"2026-11-02T14:35:38.321377Z"}],"euvd":[{"id":"EUVD-2011-1827","description":"APT before 0.8.15.2 does not properly validate inline GPG signatures, which allows man-in-the-middle attackers to install modified packages via vectors involving lack of an initial clearsigned message.","status":"published","published":"2011-07-27T01:29:00Z","modified":"2024-08-06T22:37:25Z","updated_at":"2026-11-03T01:55:55.207376Z"}],"ghsa":[{"id":"GHSA-qq54-xq37-2h5v","title":"APT before 0.8.15.2 does not properly validate inline GPG signatures, which allows man-in-the...","description":"APT before 0.8.15.2 does not properly validate inline GPG signatures, which allows man-in-the-middle attackers to install modified packages via vectors involving lack of an initial clearsigned message.","status":"published","published":"2022-05-13T01:11:21Z","modified":"2023-02-01T05:03:35Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:50:05.01868Z"}],"nvd":[{"id":"CVE-2011-1829","description":"APT before 0.8.15.2 does not properly validate inline GPG signatures, which allows man-in-the-middle attackers to install modified packages via vectors involving lack of an initial clearsigned message.","status":"published","published":"2011-07-27T02:55:01.54Z","modified":"2026-06-16T23:30:12.047Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:09.182398Z"}],"osv":[{"id":"CVE-2011-1829","description":"APT before 0.8.15.2 does not properly validate inline GPG signatures, which allows man-in-the-middle attackers to install modified packages via vectors involving lack of an initial clearsigned message.","status":"published","published":"2011-07-27T02:55:01Z","modified":"2026-04-10T03:41:46.111267Z","updated_at":"2026-11-02T15:43:58.279353Z"},{"id":"DEBIAN-CVE-2011-1829","description":"APT before 0.8.15.2 does not properly validate inline GPG signatures, which allows man-in-the-middle attackers to install modified packages via vectors involving lack of an initial clearsigned message.","status":"published","published":"2011-07-27T02:55:01.54Z","modified":"2026-10-23T17:47:29.113470785Z","updated_at":"2026-11-02T15:45:24.612044Z"}]}}