SB2012103111 - Input validation error in qemu (Alpine package)
Published: October 31, 2012
Security Bulletin ID
SB2012103111
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2012-2652)
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
The bdrv_open function in Qemu 1.0 does not properly handle the failure of the mkstemp function, when in snapshot node, which allows local users to overwrite or read arbitrary files via a symlink attack on an unspecified temporary file.
Remediation
Install update from vendor's website.