84837 : Linux Kernel All-zero SCM_CREDENTIALS Data Parsing Local Privilege Escalation
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Timeline

Disclosure Date
2012-08-22

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.

Products

Linux Kernel Organization, Inc.
Kernel
Unspecified

References

Credit

CVSSv2 Score

CVSSv2 Base Score = 1.9
Source: nvd.nist.gov | Generated: 2012-10-03 | Disagree?

Access_vector_0 Access_complexity_1 Authentication_2 Confidentiality_impact_0 Integrity_impact_1 Availability_impact_0

Comments

No Comments.

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