{"id":"CVE-2012-2143","url":"https://www.cyber-defence.io/tools/cve/CVE-2012-2143","generatedAt":"2026-10-28T02:17:51.142Z","title":"The crypt_des (aka DES-based crypt) function in FreeBSD before 9.0-RELEASE-p2, as used in PHP, PostgreSQL, and other products, does not process the complete cleartext password if this password contains a 0x80 character, which makes it easier for…","description":"The crypt_des (aka DES-based crypt) function in FreeBSD before 9.0-RELEASE-p2, as used in PHP, PostgreSQL, and other products, does not process the complete cleartext password if this password contains a 0x80 character, which makes it easier for context-dependent attackers to obtain access via an authentication attempt with an initial substring of the intended password, as demonstrated by a Unicode password.","published":"2012-07-05T14:55:02.000Z","lastModified":"2026-06-16T23:41:05.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":4.3,"severity":"MEDIUM","vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N"},"cwe":["CWE-310"],"affected":["postgresql/postgresql","freebsd/freebsd","php/php","debian/debian linux"],"epss":{"score":0.05734,"percentile":0.92998,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (5.73%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=aab49e934de1fff046e659cbec46e3d053b41c34","tags":["Broken Link","Patch"],"source":"secalert@redhat.com"},{"url":"http://git.postgresql.org/gitweb/?p=postgresql.git&a=commit&h=932ded2ed51e8333852e370c7a6dad75d9f236f9","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html","tags":["Mailing List","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082258.html","tags":["Mailing List","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082292.html","tags":["Mailing List","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082294.html","tags":["Mailing List","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00003.html","tags":["Mailing List","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2012-09/msg00102.html","tags":["Mailing List","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2012-10/msg00013.html","tags":["Mailing List","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2012-10/msg00024.html","tags":["Mailing List","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1037.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/49304","tags":["Broken Link","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/50718","tags":["Broken Link","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://security.freebsd.org/advisories/FreeBSD-SA-12:02.crypt.asc","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://support.apple.com/kb/HT5501","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2012/dsa-2491","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2012:092","tags":["Broken Link"],"source":"secalert@redhat.com"},{"url":"http://www.postgresql.org/docs/8.3/static/release-8-3-19.html","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.postgresql.org/docs/8.4/static/release-8-4-12.html","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.postgresql.org/docs/9.0/static/release-9-0-8.html","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.postgresql.org/docs/9.1/static/release-9-1-4.html","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.postgresql.org/support/security/","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.securitytracker.com/id?1026995","tags":["Third Party Advisory","VDB Entry"],"source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=816956","tags":["Issue Tracking","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=aab49e934de1fff046e659cbec46e3d053b41c34","tags":["Broken Link","Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://git.postgresql.org/gitweb/?p=postgresql.git&a=commit&h=932ded2ed51e8333852e370c7a6dad75d9f236f9","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082258.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082292.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082294.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00003.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2012-09/msg00102.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2012-10/msg00013.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2012-10/msg00024.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1037.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/49304","tags":["Broken Link","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/50718","tags":["Broken Link","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://security.freebsd.org/advisories/FreeBSD-SA-12:02.crypt.asc","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://support.apple.com/kb/HT5501","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2012/dsa-2491","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2012:092","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.postgresql.org/docs/8.3/static/release-8-3-19.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.postgresql.org/docs/8.4/static/release-8-4-12.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.postgresql.org/docs/9.0/static/release-9-0-8.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.postgresql.org/docs/9.1/static/release-9-1-4.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.postgresql.org/support/security/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id?1026995","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=816956","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2012-2143","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}