CVE-2008-3443 Information

Description

The regular expression engine (regex.c) 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 remote attackers to cause a denial of service (infinite loop and crash) via multiple long requests to a Ruby socket related to memory allocation failure and as demonstrated against Webrick.

Reference

http://lists.apple.com/archives/security-announce/2009/May/msg00002.html http://secunia.com/advisories/31430 http://secunia.com/advisories/32165 http://secunia.com/advisories/32219 http://secunia.com/advisories/32371 http://secunia.com/advisories/32372 http://secunia.com/advisories/33185 http://secunia.com/advisories/33398 http://secunia.com/advisories/35074 http://securityreason.com/securityalert/4158 http://support.apple.com/kb/HT3549 http://support.avaya.com/elmodocs2/security/ASA-2008-424.htm http://www.debian.org/security/2009/dsa-1695 http://www.redhat.com/support/errata/RHSA-2008-0895.html http://www.redhat.com/support/errata/RHSA-2008-0897.html http://www.securityfocus.com/bid/30682 http://www.securitytracker.com/id?1021075 http://www.us-cert.gov/cas/techalerts/TA09-133A.html http://www.vupen.com/english/advisories/2009/1297 https://exchange.xforce.ibmcloud.com/vulnerabilities/44688 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A9570 https://usn.ubuntu.com/651-1/ https://usn.ubuntu.com/691-1/ https://www.exploit-db.com/exploits/6239 https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00259.html https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00299.html