PT-2009-3479 · Linux · Linux-Pam

Marcus Granado · Published 2009-03-12 · Updated 2019-01-03 · CVE-2009-0887

Positive Technologies (AI Summary)

CVSS v2.0

6.6

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux-PAM versions 1.0.3 and earlier

Description The issue is related to an integer signedness error in the pam StrTok function. This error can occur when a configuration file contains non-ASCII usernames. As a result, remote attackers might be able to cause a denial of service. Additionally, remote authenticated users might be able to obtain login access with a different user's non-ASCII username by making a login attempt.

Recommendations For Linux-PAM versions 1.0.3 and earlier, update to a version later than 1.0.3 to resolve the issue.

Exploit

Fix

Weakness Enumeration

CWE-189

Related Identifiers

CVE-2009-0887

Affected Products

Linux-Pam

References · 13

• 🔥 http://openwall.com/lists/oss-security/2009/03/05/1 · Exploit
• https://osv.dev/vulnerability/CVE-2009-0887 · Vendor Advisory
• http://securityfocus.com/bid/34010 · Patch
• https://redhat.com/archives/fedora-package-announce/2009-April/msg00420.html · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2009-0887 · Vendor Advisory
• https://redhat.com/archives/fedora-package-announce/2009-April/msg00398.html · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2009-0887 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2009-0887 · Security Note
• http://mandriva.com/security/advisories?name=MDVSA-2009:077 · Vendor Advisory
• http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/libpam/pam_misc.c?view=log · Note
• http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/libpam/pam_misc.c?r1=1.9&amp%3Br2=1.10&amp%3Bview=patch · Note
• http://secunia.com/advisories/34733 · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/49110 · Note