CVE-2008-3656

Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.split_header_value function in WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted HTTP request that is processed by a backtracking regular expression.

🔗 References (60)

• cve@mitrehttp://bugs.debian.org/cgi-bin/bugreport.cgi?bug=494401
• cve@mitrehttp://lists.apple.com/archives/security-announce/2009/May/msg00002.html
• cve@mitrehttp://secunia.com/advisories/31430
• cve@mitrehttp://secunia.com/advisories/31697
• cve@mitrehttp://secunia.com/advisories/32165
• cve@mitrehttp://secunia.com/advisories/32219
• cve@mitrehttp://secunia.com/advisories/32255
• cve@mitrehttp://secunia.com/advisories/32256
• cve@mitrehttp://secunia.com/advisories/32371
• cve@mitrehttp://secunia.com/advisories/33178
• cve@mitrehttp://secunia.com/advisories/35074
• cve@mitrehttp://security.gentoo.org/glsa/glsa-200812-17.xml
• cve@mitrehttp://support.apple.com/kb/HT3549
• cve@mitrehttp://support.avaya.com/elmodocs2/security/ASA-2008-424.htm
• cve@mitrehttp://wiki.rpath.com/wiki/Advisories:rPSA-2008-0264