Denial of Service Vulnerability in Rack's Multipart Parsing

CVE-2012-6109 · MEDIUM Severity

AV:N/AC:M/AU:N/C:N/I:N/A:P

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.

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