Vulnerability CVE-2010-3853
Published: 2011-01-24   Modified: 2012-02-13

Description:
pam_namespace.c in the pam_namespace module in Linux-PAM (aka pam) before 1.1.3 uses the environment of the invoking application or service during execution of the namespace.init script, which might allow local users to gain privileges by running a setuid program that relies on the pam_namespace PAM check, as demonstrated by the sudo program.

Type:

CWE-Other

CVSS2 => (AV:L/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.9/10
10/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Linux-pam -> Linux-pam 
Kernel -> Linux-pam 

 References:
http://lists.vmware.com/pipermail/security-announce/2011/000126.html
http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/modules/pam_namespace/pam_namespace.c?view=log#rev1.13
http://security.gentoo.org/glsa/glsa-201206-31.xml
http://www.mandriva.com/security/advisories?name=MDVSA-2010:220
http://www.redhat.com/support/errata/RHSA-2010-0819.html
http://www.redhat.com/support/errata/RHSA-2010-0891.html
http://www.securityfocus.com/archive/1/516909/100/0/threaded
http://www.vmware.com/security/advisories/VMSA-2011-0004.html
http://www.vupen.com/english/advisories/2011/0606
https://bugzilla.redhat.com/show_bug.cgi?id=643043
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