>> IPsec-Tools Racoon Phase 1 Handler Denial of Service Vulnerability
Title : IPsec-Tools Racoon Phase 1 Handler Denial of Service Vulnerability VUPEN ID : VUPEN/ADV-2008-2378 CVE ID : CVE-2008-3652 - CVE-2009-1574 - CVE-2009-1632 CWE ID : CWE-400
Rated as : Low Risk
Remotely Exploitable : Yes Locally Exploitable : Yes Release Date : 2008-08-14
Technical Description
A vulnerability has been identified in IPsec-Tools, which could be exploited by remote attackers to cause a denial of service. This issue is caused by an error in "src/racoon/handler.c" in racoon that does not remove an "orphaned ph1" (phase 1) handle when it has been initiated remotely, which allows remote attackers to exhaust all available resources, creating a denial of service condition.
A NULL pointer dereference also exists in "racoon/isakmp_frag.c" when processig specially crafted fragmented packets without a payload.
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