Home/CVE/Integer signedness error in the _pam_StrTok function in libpam/pam_misc.c in Linux-PAM (aka pam) 1.0.3 and earlier, when
CVE

CVE-2009-0887

Integer signedness error in the _pam_StrTok function in libpam/pam_misc.c in Linux-PAM (aka pam) 1.0.3 and earlier, when

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.

MEDIUM · CVSS 6.6 EPSS 0.00212
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
▤

Affected Products & Versions

2
linux-pam<= 1.0.3
linux-pamall versions
▣

Scoring & Timeline

6.6
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
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This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:L/AC:M/Au:S/C:C/I:C/A:C
Published to NVD12 Mar 2009 · 03:20 PM
⚑

Vendor Advisories

1
usnUSN-1140-1
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://openwall.com/lists/oss-security/2009/03/05/1Exploit
http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/libpam/pam_misc.c?r1=1.9&amp
http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/libpam/pam_misc.c?view=log
http://secunia.com/advisories/34733
http://www.mandriva.com/security/advisories?name=MDVSA-2009:077
http://www.securityfocus.com/bid/34010Patch
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