Description
Multiple directory traversal vulnerabilities in pam_timestamp.c in the pam_timestamp module for Linux-PAM (aka pam) 1.1.8 allow local users to create arbitrary files or possibly bypass authentication via a .. (dot dot) in the (1) PAM_RUSER value to the get_ruser function or (2) PAM_TTY value to the check_tty function, which is used by the format_timestamp_name function.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://www.openwall.com/lists/oss-security/2014/03/24/5 ↗
- http://www.securityfocus.com/bid/66493 ↗
- https://security.gentoo.org/glsa/201605-05 ↗
- http://secunia.com/advisories/57317 ↗
- http://www.ubuntu.com/usn/USN-2935-2 ↗
- http://www.openwall.com/lists/oss-security/2014/03/31/6 ↗
- http://www.ubuntu.com/usn/USN-2935-3 ↗
- http://www.ubuntu.com/usn/USN-2935-1 ↗
- https://git.fedorahosted.org/cgit/linux-pam.git/commit/?id=Linux-PAM-1_1_8-32-g9dcead8 ↗
- http://www.openwall.com/lists/oss-security/2014/03/26/10 ↗