National Vulnerability Database (NVD) National Vulnerability Database (CVE-2011-3148)

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Last updated: Wed Jun 19 22:44:13 EDT 2013

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Vulnerability Summary for CVE-2011-3148

Original release date:07/22/2012

Last revised:08/21/2012

Source: US-CERT/NIST

Overview

Stack-based buffer overflow in the _assemble_line function in modules/pam_env/pam_env.c in Linux-PAM (aka pam) before 1.1.5 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via a long string of white spaces at the beginning of the ~/.pam_environment file.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:4.6 (MEDIUM) (AV:L/AC:L/Au:N/C:P/I:P/A:P) (legend)

Impact Subscore: 6.4

Exploitability Subscore: 3.9

CVSS Version 2 Metrics:

Access Vector: Locally exploitable

Access Complexity: Low

Authentication: Not required to exploit

Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: CONFIRM

Name: http://git.fedorahosted.org/git/?p=linux-pam.git;a=commitdiff;h=caf5e7f61c8d9288daa49b4f61962e6b1239121d

Type: Patch Information; Exploit

Hyperlink:http://git.fedorahosted.org/git/?p=linux-pam.git;a=commitdiff;h=caf5e7f61c8d9288daa49b4f61962e6b1239121d

External Source: CONFIRM

Name: https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874469

Hyperlink:https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874469

External Source: GENTOO

Name: GLSA-201206-31

Hyperlink:http://security.gentoo.org/glsa/glsa-201206-31.xml

External Source: SECUNIA

Name: 49711