CVE-2009-3232

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-09-17 · updated 2026-06-16
Weakness: CWE-287

Description

pam-auth-update for PAM, as used in Ubuntu 8.10 and 9.4, and Debian GNU/Linux, does not properly handle an "empty selection" for system authentication modules in certain rare configurations, which causes any attempt to be successful and allows remote attackers to bypass authentication.

Affected products

Canonical Ubuntu Linux: 8.10, 9.04

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=519927
http://secunia.com/advisories/36620
http://www.openwall.com/lists/oss-security/2009/09/08/7
http://www.securityfocus.com/bid/36306
https://launchpad.net/bugs/410171
https://usn.ubuntu.com/828-1/
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=519927
http://secunia.com/advisories/36620
http://www.openwall.com/lists/oss-security/2009/09/08/7
http://www.securityfocus.com/bid/36306
https://launchpad.net/bugs/410171
https://usn.ubuntu.com/828-1/

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