National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2011-3628 Detail

Current 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.

Source:  MITRE
View Analysis Description

Evaluator Description

Per: http://cwe.mitre.org/data/definitions/426.html "CWE-426: Untrusted Search Path"

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 6.9 MEDIUM
Vector: (AV:L/AC:M/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.4


Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.ubuntu.com/usn/USN-1237-1 Vendor Advisory
https://bugs.launchpad.net/ubuntu/%2Bsource/pam/%2Bbug/610125

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:canonical:libpam-modules:0.9.7:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:canonical:libpam-modules:1.1.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:canonical:libpam-modules:1.1.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:canonical:libpam-modules:1.1.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:8.04:-:lts:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2011-3628
NVD Published Date:
04/15/2014
NVD Last Modified:
04/16/2014