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Gentoo: GLSA-201405-16 Advisory on Mono Denial of Service Issue

gentoo
Calendar Grey May 18, 2014
Scroller Gentoo
The Gentoo advisory GLSA-201405-17 discusses a vulnerability in OpenSSL which could allow for a remote attacker to compromise system integrity.
A hash collision vulnerability in Mono allows remote attackers to cause a Denial of Service condition.

Summary

Mono does not properly randomize hash functions for form posts to protect against hash collision attacks.

Topics%20covered

Topics Covered

security advisory denial of service gentoo linux normal severity mono hash collision

Resolution

All Mono users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-lang/mono-2.10.9-r2"

References

[ 1 ] CVE-2012-3543 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3543

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201405-16
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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: Mono: Denial of Service
Date: May 18, 2014
Bugs: #433768
ID: 201405-16

Topics%20covered

Topics Covered

security advisory denial of service gentoo linux normal severity mono hash collision

Synopsis

A hash collision vulnerability in Mono allows remote attackers to cause a Denial of Service condition.

Background

Mono is an open source implementation of Microsoft's .NET Framework.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-lang/mono < 2.10.9-r2 >= 2.10.9-r2

Impact

===== A remote attacker could send specially crafted parameters, possibly resulting in a Denial of Service condition.

Workaround

There is no known workaround at this time.