SB2013110101 - Buffer overflow in Varnish Cache
Published: November 1, 2013 Updated: July 28, 2020
Security Bulletin ID
SB2013110101
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2013-4484)
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
Varnish before 3.0.5 allows remote attackers to cause a denial of service (child-process crash and temporary caching outage) via a GET request with trailing whitespace characters and no URI.
Remediation
Install update from vendor's website.
References
- http://archives.neohapsis.com/archives/bugtraq/2013-10/0158.html
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00029.html
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00033.html
- http://secunia.com/advisories/55452
- http://secunia.com/advisories/55746
- http://www.debian.org/security/2012/dsa-2814
- http://www.openwall.com/lists/oss-security/2013/10/30/5
- https://www.varnish-cache.org/trac/ticket/1367