CVE-2006-5467 - Revivalist Bracing

Description

The cgi.rb CGI library for Ruby 1.8 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via an HTTP request with a multipart MIME body that contains an invalid boundary specifier as demonstrated using a specifier that begins with a -\ instead of --\ and contains an inconsistent ID.

Reference

http://rubyforge.org/pipermail/mongrel-users/2006-October/001946.html http://www.securityfocus.com/bid/20777 http://secunia.com/advisories/22615 http://www.ubuntu.com/usn/usn-371-1 http://secunia.com/advisories/22624 http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.030-ruby.html http://www.redhat.com/support/errata/RHSA-2006-0729.html http://securitytracker.com/id?1017194 http://secunia.com/advisories/22761 ftp://patches.sgi.com/support/free/security/advisories/20061101-01-P http://secunia.com/advisories/22929 http://security.gentoo.org/glsa/glsa-200611-12.xml http://www.novell.com/linux/security/advisories/2006_26_sr.html http://secunia.com/advisories/23040 http://secunia.com/advisories/23344 http://secunia.com/advisories/22932 http://docs.info.apple.com/article.html?artnum=305530 http://lists.apple.com/archives/security-announce/2007/May/msg00004.html http://www.mandriva.com/security/advisories?name=MDKSA-2006:192 http://secunia.com/advisories/25402 http://www.vupen.com/english/advisories/2006/4244 http://www.vupen.com/english/advisories/2007/1939 http://www.vupen.com/english/advisories/2006/4245 http://www.debian.org/security/2006/dsa-1234 http://www.debian.org/security/2006/dsa-1235 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10185