SB2012121023 - Input validation error in xen (Alpine package)
Published: December 10, 2012
Security Bulletin ID
SB2012121023
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2012-3515)
The vulnerability allows a local non-authenticated attacker to execute arbitrary code.
Qemu, as used in Xen 4.0, 4.1 and possibly other products, when emulating certain devices with a virtual console backend, allows local OS guest users to gain privileges via a crafted escape VT100 sequence that triggers the overwrite of a "device model's address space."
Remediation
Install update from vendor's website.