National Cyber Awareness System
Vulnerability Summary for CVE-2012-6109
Original release date:03/01/2013
Last revised:03/02/2013
Source:
US-CERT/NIST
Overview
lib/rack/multipart.rb in Rack before 1.1.4, 1.2.x before 1.2.6, 1.3.x before 1.3.7, and 1.4.x before 1.4.2 uses an incorrect regular expression, which allows remote attackers to cause a denial of service (infinite loop) via a crafted Content-Disposion header.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
References to Advisories, Solutions, and Tools
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External Source: MISC
Name: https://groups.google.com/forum/#!msg/rack-devel/1w4_fWEgTdI/XAkSNHjtdTsJ
External Source: CONFIRM
Name: https://github.com/rack/rack/commit/c9f65df37a151821eb88ddd1dc404b83e52c52d5
External Source: CONFIRM
Name: https://github.com/rack/rack/blob/master/README.rdoc
External Source: MISC
Name: https://bugzilla.redhat.com/show_bug.cgi?id=895277
External Source: REDHAT
Name: RHSA-2013:0548
External Source: REDHAT
Name: RHSA-2013:0544
External Source: CONFIRM
Name: http://rack.github.com/
