CVE-2014-2583

Severity: medium (CVSS 5.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2014-04-10 · updated 2026-06-17
Weakness: CWE-22

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

Linux-PAM: 1.1.8

References

http://secunia.com/advisories/57317
http://www.openwall.com/lists/oss-security/2014/03/24/5
http://www.openwall.com/lists/oss-security/2014/03/26/10
http://www.openwall.com/lists/oss-security/2014/03/31/6
http://www.securityfocus.com/bid/66493
http://www.ubuntu.com/usn/USN-2935-1
http://www.ubuntu.com/usn/USN-2935-2
http://www.ubuntu.com/usn/USN-2935-3
https://git.fedorahosted.org/cgit/linux-pam.git/commit/?id=Linux-PAM-1_1_8-32-g9dcead8
https://security.gentoo.org/glsa/201605-05
http://secunia.com/advisories/57317
http://www.openwall.com/lists/oss-security/2014/03/24/5

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