CVEvulnerability

CVE-2011-3628

6.9 MEDIUM Published 2014-04-15 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2014-04-15
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
6.9 MEDIUM — AV:L/AC:M/Au:N/C:C/I:C/A:C

Description

Untrusted search path vulnerability in pam_motd (aka the MOTD module) in libpam-modules before 1.1.3-2ubuntu2.1 on Ubuntu 11.10, before 1.1.2-2ubuntu8.4 on Ubuntu 11.04, before 1.1.1-4ubuntu2.4 on Ubuntu 10.10, before 1.1.1-2ubuntu5.4 on Ubuntu 10.04 LTS, and before 0.99.7.1-5ubuntu6.5 on Ubuntu 8.04 LTS, when using certain configurations such as "session optional pam_motd.so", allows local users to gain privileges by modifying the PATH environment variable to reference a malicious command, as demonstrated via uname.

Affected configurations

• canonical libpam-modules 0.9.7 • canonical libpam-modules 1.1.1 • canonical libpam-modules 1.1.2 • canonical libpam-modules 1.1.3 • canonical ubuntu linux 8.04 • canonical ubuntu linux 10.04 • canonical ubuntu linux 10.10 • canonical ubuntu linux 11.04 • canonical ubuntu linux 11.10

References