Vulnerability CVE-2012-6109
Published: 2013-03-01

Description:
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.

Type:

CWE-Other

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Rack project -> RACK 

 References:
http://rack.github.com/
http://rhn.redhat.com/errata/RHSA-2013-0544.html
http://rhn.redhat.com/errata/RHSA-2013-0548.html
https://bugzilla.redhat.com/show_bug.cgi?id=895277
https://github.com/rack/rack/blob/master/README.rdoc
https://github.com/rack/rack/commit/c9f65df37a151821eb88ddd1dc404b83e52c52d5
https://groups.google.com/forum/#!msg/rack-devel/1w4_fWEgTdI/XAkSNHjtdTsJ
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