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OpenSSH Challenge-Response Buffer Overflow Vulnerabilities
Joe Testa <jtesta@rapid7.com> has provided information on how a server segmentation fault may be produced with the use of a modified, malicious SSH client. Details are available in the referenced Bugtraq message post. Christophe Devine <devine@iie.cnam.fr> has published a proof-of-concept exploit (as a patch to the OpenSSH client). GOBBLES has also released proof-of-concept code. UPDATE: Core Security Technologies has developed a working commercial exploit for its CORE IMPACT product. This exploit is not otherwise publicly available or known to be circulating in the wild. |
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