{"id":"CVE-2012-3523","aliases":["DEBIAN-CVE-2012-3523","EUVD-2012-3478","GHSA-g67q-3725-x6h7"],"status":"published","title":"The STARTTLS implementation in nnrpd in INN before 2.5.3 does not properly restrict I/O buffering...","description":"The STARTTLS implementation in nnrpd in INN before 2.5.3 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted sessions by sending a cleartext command that is processed after TLS is in place, related to a \"plaintext command injection\" attack, a similar issue to CVE-2011-0411.","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03233,"percentile":0.88352,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-264"],"published":"2012-11-11T11:00:00Z","modified":"2026-10-23T17:47:47Z","fixes":[{"ecosystem":"Debian:12","package":"inn2","fixed_in":["2.5.3-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"inn2","fixed_in":["2.5.3-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"inn2","fixed_in":["2.5.3-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"inn2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.3-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"inn2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.3-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"inn2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.3-1"}]}]}],"products":[{"vendor":"isc","product":"inn"}],"references":[{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2012:156","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"url":"http://secunia.com/advisories/50661","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://lists.opensuse.org/opensuse-updates/2012-09/msg00058.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-3523"},{"url":"https://github.com/advisories/GHSA-g67q-3725-x6h7"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-3523","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2012-3523","description":"The STARTTLS implementation in nnrpd in INN before 2.5.3 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted sessions by sending a cleartext command that is processed after TLS is in place, related to a \"plaintext command injection\" attack, a similar issue to CVE-2011-0411.","status":"published","published":"2012-11-11T11:00:00Z","modified":"2024-08-06T20:05:12.721Z","updated_at":"2026-11-02T14:34:50.94153Z"}],"euvd":[{"id":"EUVD-2012-3478","description":"The STARTTLS implementation in nnrpd in INN before 2.5.3 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted sessions by sending a cleartext command that is processed after TLS is in place, related to a \"plaintext command injection\" attack, a similar issue to CVE-2011-0411.","status":"published","published":"2012-11-11T11:00:00Z","modified":"2024-08-06T20:05:12Z","updated_at":"2026-11-03T01:56:10.882899Z"}],"ghsa":[{"id":"GHSA-g67q-3725-x6h7","title":"The STARTTLS implementation in nnrpd in INN before 2.5.3 does not properly restrict I/O buffering...","description":"The STARTTLS implementation in nnrpd in INN before 2.5.3 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted sessions by sending a cleartext command that is processed after TLS is in place, related to a \"plaintext command injection\" attack, a similar issue to CVE-2011-0411.","status":"published","published":"2022-05-17T05:14:56Z","modified":"2023-01-28T05:03:32Z","updated_at":"2026-11-02T14:43:59.810751Z"}],"nvd":[{"id":"CVE-2012-3523","description":"The STARTTLS implementation in nnrpd in INN before 2.5.3 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted sessions by sending a cleartext command that is processed after TLS is in place, related to a \"plaintext command injection\" attack, a similar issue to CVE-2011-0411.","status":"published","published":"2012-11-11T13:00:46.727Z","modified":"2026-06-16T23:43:24.183Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:02:16.536025Z"}],"osv":[{"id":"CVE-2012-3523","description":"The STARTTLS implementation in nnrpd in INN before 2.5.3 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted sessions by sending a cleartext command that is processed after TLS is in place, related to a \"plaintext command injection\" attack, a similar issue to CVE-2011-0411.","status":"published","published":"2012-11-11T13:00:46Z","modified":"2026-04-10T03:42:24.812701Z","updated_at":"2026-11-02T15:43:58.537032Z"},{"id":"DEBIAN-CVE-2012-3523","description":"The STARTTLS implementation in nnrpd in INN before 2.5.3 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted sessions by sending a cleartext command that is processed after TLS is in place, related to a \"plaintext command injection\" attack, a similar issue to CVE-2011-0411.","status":"published","published":"2012-11-11T13:00:46.727Z","modified":"2026-10-23T17:47:47.1051022Z","updated_at":"2026-11-02T15:45:24.92418Z"}]}}