RubySec

Providing security resources for the Ruby community

CVE-2012-6109 (rack): CVE-2012-6109 rubygem-rack: parsing Content-Disposition header DoS

ADVISORIES

GEM

rack

SEVERITY

CVSS v2: 4.3

PATCHED VERSIONS

  • ~> 1.1.4
  • ~> 1.2.6
  • ~> 1.3.7
  • >= 1.4.2

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.