|Bugzilla:||746619: CVE-2011-3148 pam (pam_env): Stack-based buffer overflow by parsing user's pam_environment file|
The MITRE CVE dictionary describes this issue as:
Stack-based buffer overflow in the _assemble_line function in modules/pam_env/pam_env.c in Linux-PAM (aka pam) before 1.1.5 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via a long string of white spaces at the beginning of the ~/.pam_environment file.
This issue did not affect the versions of pam package as shipped with Red Hat Enterprise Linux 5.
CVSS v2 metrics
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Red Hat security errata
|Red Hat Enterprise Linux version 6 (pam)||RHSA-2013:0521||February 20, 2013|
Red Hat would like to thank Kees Cook of Google ChromeOS Team for reporting this issue.
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