Buffer overflow in Varnish Cache - CVE-2013-4484
Published: November 1, 2013 / Updated: July 28, 2020
Vulnerability identifier: #VU32597
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-4484
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Varnish Cache
varnish (Alpine package)
varnish
Fedora
varnish (Alpine package)
varnish
Fedora
How to mitigate CVE-2013-4484
Install update from vendor's website.
Varnish Cache - update to 3.0.5
varnish (Alpine package) - update to 3.0.5-r0
varnish - addressed in versions 2.0.6-4.el5, 2.1.5-5.el6
varnish (Alpine package) - update to 3.0.5-r0
varnish - addressed in versions 2.0.6-4.el5, 2.1.5-5.el6
External 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