{"id":"CVE-2013-3949","aliases":["EUVD-2013-3881","GHSA-mvh5-wcxf-p4qx"],"status":"published","title":"The posix_spawn system call in the XNU kernel in Apple Mac OS X 10.8.x does not prevent use of...","description":"The posix_spawn system call in the XNU kernel in Apple Mac OS X 10.8.x does not prevent use of the _POSIX_SPAWN_DISABLE_ASLR and _POSIX_SPAWN_ALLOW_DATA_EXEC flags for setuid and setgid programs, which allows local users to bypass intended access restrictions via a wrapper program that calls the posix_spawnattr_setflags function.","severity":{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00494,"percentile":0.42646,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-264"],"published":"2013-06-05T10:00:00Z","modified":"2026-06-16T23:56:04Z","products":[{"vendor":"apple","product":"mac_os_x"}],"references":[{"url":"http://www.syscan.org/index.php/sg/program/day/2","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://antid0te.com/syscan_2013/SyScan2013_Mountain_Lion_iOS_Vulnerabilities_Garage_Sale_Whitepaper.pdf","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-3949"},{"url":"https://github.com/advisories/GHSA-mvh5-wcxf-p4qx"}],"sources":{"cve":[{"id":"CVE-2013-3949","description":"The posix_spawn system call in the XNU kernel in Apple Mac OS X 10.8.x does not prevent use of the _POSIX_SPAWN_DISABLE_ASLR and _POSIX_SPAWN_ALLOW_DATA_EXEC flags for setuid and setgid programs, which allows local users to bypass intended access restrictions via a wrapper program that calls the posix_spawnattr_setflags function.","status":"published","published":"2013-06-05T10:00:00Z","modified":"2024-09-16T23:45:48.104Z","updated_at":"2026-11-02T14:34:56.872243Z"}],"euvd":[{"id":"EUVD-2013-3881","description":"The posix_spawn system call in the XNU kernel in Apple Mac OS X 10.8.x does not prevent use of the _POSIX_SPAWN_DISABLE_ASLR and _POSIX_SPAWN_ALLOW_DATA_EXEC flags for setuid and setgid programs, which allows local users to bypass intended access restrictions via a wrapper program that calls the posix_spawnattr_setflags function.","status":"published","published":"2013-06-05T10:00:00Z","modified":"2024-09-16T23:45:48Z","updated_at":"2026-11-03T00:54:46.734285Z"}],"ghsa":[{"id":"GHSA-mvh5-wcxf-p4qx","title":"The posix_spawn system call in the XNU kernel in Apple Mac OS X 10.8.x does not prevent use of...","description":"The posix_spawn system call in the XNU kernel in Apple Mac OS X 10.8.x does not prevent use of the _POSIX_SPAWN_DISABLE_ASLR and _POSIX_SPAWN_ALLOW_DATA_EXEC flags for setuid and setgid programs, which allows local users to bypass intended access restrictions via a wrapper program that calls the posix_spawnattr_setflags function.","status":"published","published":"2022-05-17T05:08:46Z","modified":"2023-01-28T05:03:14Z","updated_at":"2026-11-02T14:43:56.116009Z"}],"nvd":[{"id":"CVE-2013-3949","description":"The posix_spawn system call in the XNU kernel in Apple Mac OS X 10.8.x does not prevent use of the _POSIX_SPAWN_DISABLE_ASLR and _POSIX_SPAWN_ALLOW_DATA_EXEC flags for setuid and setgid programs, which allows local users to bypass intended access restrictions via a wrapper program that calls the posix_spawnattr_setflags function.","status":"published","published":"2013-06-05T14:39:55.86Z","modified":"2026-06-16T23:56:04.427Z","cvss":[{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:02:29.210317Z"}]}}