SB2013110105 - NULL pointer dereference in xen (Alpine package)
Published: November 1, 2013
Security Bulletin ID
SB2013110105
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2013-4369)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the libxlu library in Xen 4.2.x and 4.3.x allows local users to cause a denial of service (NULL pointer dereference) by using the "@" character as the VIF rate configuration. CWE-476: NULL Pointer Dereference Per http://cwe.mitre.org/data/definitions/476. A remote attacker can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.