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Alerts This Week
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Gentoo: GLSA-201412-30 Normal: Varnish Denial of Service Risk

gentoo
Calendar Grey December 15, 2014
Scroller Gentoo
The recent Gentoo security advisory highlights severe vulnerabilities in Varnish that could lead to Denial of Service (DoS) attacks, urging admins to patch promptly.
Multiple vulnerabilities have been found in Varnish, the worst of which could allow a remote attacker to create a Denial of Service condition.

Summary

Multiple vulnerabilities have been discovered in Varnish. Please review the CVE identifiers referenced below for details.

Topics%20covered

Topics Covered

security advisory denial of service gentoo software update remote access web accelerator

Resolution

All Varnish users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=www-servers/varnish-3.0.5"

References

[ 1 ] CVE-2013-0345 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-0345 [ 2 ] CVE-2013-4484 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4484

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201412-30
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: Varnish: Multiple vulnerabilities
Date: December 15, 2014
Bugs: #458888, #489944
ID: 201412-30

Topics%20covered

Topics Covered

security advisory denial of service gentoo software update remote access web accelerator

Synopsis

Multiple vulnerabilities have been found in Varnish, the worst of which could allow a remote attacker to create a Denial of Service condition.

Background

Varnish is a web application accelerator.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 www-servers/varnish < 3.0.5 >= 3.0.5

Impact

===== A remote attacker could cause a Denial of Service condition via a specially crafted GET request. Furthermore a local attacker could obtain sensitive information through insecure permissions on logfiles.

Workaround

There is no known workaround at this time.