TITLE: Openswan ISAKMP IKE Message Processing Denial of Service SECUNIA ADVISORY ID: SA17581 VERIFY ADVISORY: http://secunia.com/advisories/17581/ CRITICAL: Moderately critical IMPACT: DoS WHERE: >From remote SOFTWARE: Openswan 2.x http://secunia.com/product/3624/ DESCRIPTION: Two vulnerabilities have been reported in openswan-2, which can be exploited by malicious people to cause a DoS (Denial of Service). 1) An error in the handling of IKE packets with an invalid 3DES key length can be exploited to cause a DoS. 2) An unknown error in the handling of certain specially crafted IKE packets can be exploited to cause a DoS. The vulnerabilities are related to: SA17553 The vulnerabilities have been reported in versions prior to 2.4.2. SOLUTION: Vulnerability #1 has been fixed in version 2.4.2. http://www.openswan.org/download/ ORIGINAL ADVISORY: http://www.openswan.org/niscc2/ OTHER REFERENCES: SA17553: http://secunia.com/advisories/17553/ ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ----------------------------------------------------------------------