Description
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).
CVSS Metrics
- Vector
- AV:L/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- local
- Access Cmplx
- low
- Auth
- none
- Confidentiality
- none
- Integrity
- none
- Availability
- partial
- Weaknesses
- CWE-119
Metadata
- Primary Vendor
- LINUX-PAM
- Published
- 7/22/2012
- Last Modified
- 4/11/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
linux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pamlinux-pam : linux-pam
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