Description
Integer signedness error in the _pam_StrTok function in libpam/pam_misc.c in Linux-PAM (aka pam) 1.0.3 and earlier, when a configuration file contains non-ASCII usernames, might allow remote attackers to cause a denial of service, and might allow remote authenticated users to obtain login access with a different user's non-ASCII username, via a login attempt.
CVSS Metrics
- Vector
- AV:L/AC:M/Au:S/C:C/I:C/A:C
- Access Vector
- local
- Access Cmplx
- medium
- Auth
- single
- Confidentiality
- complete
- Integrity
- complete
- Availability
- complete
- Weaknesses
- CWE-189
Metadata
- Primary Vendor
- LINUX-PAM
- Published
- 3/12/2009
- Last Modified
- 4/9/2025
- 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-pam
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