Auth bypass in Canonical Ubuntu Linux
CVE-2009-3232
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v2 metric
CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.046 (91.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.046 · newest: 0.046 · change: 0.000
Affected products
- Canonical Ubuntu Linux — versions 8.10, 9.04
Weakness classification (CWE)
References
- bugs.debian.org/cgi-bin/bugreport.cgi (Mailing List, Issue Tracking)
- launchpad.net/bugs/410171 (Patch, Issue Tracking)
- secunia.com/advisories/36620 (Broken Link, Vendor Advisory, third-party-advisory)
- www.openwall.com/lists/oss-security/2009/09/08/7 (mailing-list, Mailing List)
- www.securityfocus.com/bid/36306 (Patch, VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- usn.ubuntu.com/828-1/ (vendor-advisory, Broken Link)