Description (CNA)
The _expand_arg function in the pam_env module (modules/pam_env/pam_env.c) in Linux-PAM (aka pam) before 1.1.5 does not properly handle when environment variable expansion can overflow, which allows local users to cause a denial of service (CPU consumption).
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
References
- http://security.gentoo.org/glsa/glsa-201206-31.xml
- http://www.ubuntu.com/usn/USN-1237-1
- http://secunia.com/advisories/46583
- http://secunia.com/advisories/49711
- https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874565
- http://git.fedorahosted.org/git/?p=linux-pam.git%3Ba=commitdiff%3Bh=109823cb621c900c07c4b6cdc99070d354d19444
ADP enrichment
No English description supplied.
- http://security.gentoo.org/glsa/glsa-201206-31.xml
- http://www.ubuntu.com/usn/USN-1237-1
- http://secunia.com/advisories/46583
- http://secunia.com/advisories/49711
- https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874565
- http://git.fedorahosted.org/git/?p=linux-pam.git%3Ba=commitdiff%3Bh=109823cb621c900c07c4b6cdc99070d354d19444