68991 : Linux-PAM pam_env Module .pam_environment File Symlink Arbitrary Local File Disclosure
Printer | http://osvdb.org/68991 | Email This | Edit Vulnerability

Views This Week Views All Time Added to OSVDB Last Modified Modified (since 2008) Percent Complete
3 877 over 3 years ago almost 2 years ago 10 times 100%


Disclosure Date


Linux-PAM contains a flaw that may lead to an unauthorized information disclosure. The issue is triggered when an error in the 'pam_env' module when dropping privileges occurs, allowing a local attacker to gain access to arbitrary files by symlinking the '.pam_environment' file to a restricted file.


Location: Local Access Required
Attack Type: Race Condition
Impact: Loss of Confidentiality
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified
OSVDB: Security Software


Upgrade to version 1.1.3 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.


Andrew Morgan



CVSSv2 Score

CVSSv2 Base Score = 1.9
Source: nvd.nist.gov | Generated: 2011-01-25 | Disagree? | There are 2 more: View All

Access_vector_0 Access_complexity_1 Authentication_2 Confidentiality_impact_1 Integrity_impact_0 Availability_impact_0


No Comments.

The database information may change without any notice. Use of the information constitutes acceptance for use in an AS IS condition, and there are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the copyright holder or distributor (OSVDB or OSF) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

© Copyright 2002 - 2014 Open Sourced Vulnerability Database (OSVDB), All Rights Reserved.
License - Privacy Statement - Terms of Use