Description

The ipcomp6_input function in sys/netinet6/ipcomp_input.c in the KAME project before 20071201 does not properly check the return value of the m_pulldown function, which allows remote attackers to cause a denial of service (system crash) via an IPv6 packet with an IPComp header.

Affected Products 1

References 20

• cvsweb.netbsd.org http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/netinet6/ipcomp_input.c?f=u&only_with_tag=netbsd-3-1
  Vendor Advisory
• lists.apple.com http://lists.apple.com/archives/security-announce/2008//Jul/msg00001.html
• lists.apple.com http://lists.apple.com/archives/security-announce/2008//May/msg00001.html
• secunia.com http://secunia.com/advisories/28788
  PatchVendor Advisory
• secunia.com http://secunia.com/advisories/28816
  Vendor Advisory
• secunia.com http://secunia.com/advisories/28979
• secunia.com http://secunia.com/advisories/29130
• secunia.com http://secunia.com/advisories/30430
• secunia.com http://secunia.com/advisories/31074
• security.freebsd.org http://security.freebsd.org/advisories/FreeBSD-SA-08:04.ipsec.asc
• securitytracker.com http://securitytracker.com/id?1019314
• kame.net http://www.kame.net/dev/cvsweb2.cgi/kame/kame/sys/netinet6/ipcomp_input.c.diff?r1=1.36%3Br2=1.37
• kb.cert.org http://www.kb.cert.org/vuls/id/110947
  US Government Resource
• securityfocus.com http://www.securityfocus.com/bid/27642
  Patch
• us-cert.gov http://www.us-cert.gov/cas/techalerts/TA08-150A.html
  US Government Resource
• vupen.com http://www.vupen.com/english/advisories/2008/0441
• vupen.com http://www.vupen.com/english/advisories/2008/0688
• vupen.com http://www.vupen.com/english/advisories/2008/1697
• vupen.com http://www.vupen.com/english/advisories/2008/2094/references
• exploit-db.com https://www.exploit-db.com/exploits/5191

Remediation

• secunia.com http://secunia.com/advisories/28788
  PatchVendor Advisory
• securityfocus.com http://www.securityfocus.com/bid/27642
  Patch