Vulnerability Monitor

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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 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.

Published

2009-03-12T15:20:50.127

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.6 (MEDIUM)

CVSSv2 Vector

AV:L/AC:M/Au:S/C:C/I:C/A:C

  • Access Vector: LOCAL
  • Access Complexity: MEDIUM
  • Authentication: SINGLE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

2.7

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-189
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application linux-pam linux-pam ≤ 1.0.3 Yes
Application linux-pam linux-pam 0.99.1.0 Yes
Application linux-pam linux-pam 0.99.2.0 Yes
Application linux-pam linux-pam 0.99.2.1 Yes
Application linux-pam linux-pam 0.99.3.0 Yes
Application linux-pam linux-pam 0.99.4.0 Yes
Application linux-pam linux-pam 0.99.5.0 Yes
Application linux-pam linux-pam 0.99.6.0 Yes
Application linux-pam linux-pam 0.99.6.1 Yes
Application linux-pam linux-pam 0.99.6.2 Yes
Application linux-pam linux-pam 0.99.6.3 Yes
Application linux-pam linux-pam 0.99.7.0 Yes
Application linux-pam linux-pam 0.99.7.1 Yes
Application linux-pam linux-pam 0.99.8.0 Yes
Application linux-pam linux-pam 0.99.8.1 Yes
Application linux-pam linux-pam 0.99.9.0 Yes
Application linux-pam linux-pam 0.99.10.0 Yes
Application linux-pam linux-pam 1.0.0 Yes
Application linux-pam linux-pam 1.0.1 Yes
Application linux-pam linux-pam 1.0.2 Yes
References