Title: Linux Kernel All-zero SCM_CREDENTIALS Data Parsing Local Privilege Escalation
Info
Disclosure
Aug 21, 2012
Discovery
Unknown
Dates
Exploit
Unknown
Solution
Aug 21, 2012
Description
Linux Kernel contains a flaw that may allow an attacker to gain access to unauthorized privileges. The issue is triggered when all-zero SCM_CREDENTIALS data is passed to a receiver even when not provided by the sender. This may allow a local attacker to gain escalated privileges.
Classification
Location:
Local Access Required
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Solution:
Patch / RCS
Exploit:
Exploit Unknown
Disclosure:
Vendor Verified
OSVDB:
Authentication Required
Solution
Currently, there are no known workarounds or upgrades to correct this issue. However, a patch has been committed to the CVS/GIT repository that addresses this vulnerability. Until it is incorporated into the next release of the software, manually patching an existing installation is the only known available solution. Check the vendor advisory or solution URL in the references section.