Gentoo: GLSA-201203-05 Normal: Rack Denial Of Service Attack
gentoo
March 6, 2012
A hash collision vulnerability in Rack allows remote attackers to cause a Denial of Service condition.
Summary
Rack does not properly randomize hash functions to protect against hash collision attacks.
Topics Covered
Resolution
All Rack users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-ruby/rack-1.1.3"
References
[ 1 ] CVE-2011-5036 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-5036
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201203-05
style>.gentoo_availability{display:block;}
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.
PREVIOUS
NEXT
Severity: Normal
Title: Rack: Denial of Service
Date: March 06, 2012
Bugs: #396455
ID: 201203-05
Topics Covered
Background
Rack is a modular Ruby web server interface.
Get the latest News and Insights
Get the latest Linux and open source security news straight to your inbox.
Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-ruby/rack < 1.1.3 >= 1.1.3
Impact
=====
A remote attacker could send a specially crafted form post, possibly
resulting in a Denial of Service condition.
Workaround
There is no known workaround at this time.
Related News
Powered By
Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases
QUICK LINKS
subscribe to newsletters!
Like staying secure? So do we.
Sign up for updates, tips, and alerts!