Vulnerability Details CVE-2011-3628
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 15.9%
CVSS Severity
CVSS v2 Score 6.9
References
Products affected by CVE-2011-3628
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cpe:2.3:a:canonical:libpam-modules:0.9.7
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cpe:2.3:a:canonical:libpam-modules:1.1.1
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cpe:2.3:a:canonical:libpam-modules:1.1.2
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cpe:2.3:a:canonical:libpam-modules:1.1.3
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cpe:2.3:o:canonical:ubuntu_linux:10.04
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cpe:2.3:o:canonical:ubuntu_linux:10.10
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cpe:2.3:o:canonical:ubuntu_linux:11.04
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cpe:2.3:o:canonical:ubuntu_linux:11.10
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cpe:2.3:o:canonical:ubuntu_linux:8.04