Title : UltraVNC "ClientConnection::NegotiateProtocolVersion()" Buffer Overflow VUPEN ID : VUPEN/ADV-2008-0392 CVE ID : CVE-2008-0610
Rated as : High Risk
Remotely Exploitable : Yes Locally Exploitable : Yes Release Date : 2008-02-04
Technical Description
A vulnerability has been identified in UltraVNC, which could be exploited by attackers to cause a denial of service or take complete control of an affected system. This issue is caused by a buffer overflow error in the "ClientConnection::NegotiateProtocolVersion()" [vncviewer/ClientConnection.cpp] function when processing overly long data while running vncviewer in "LISTENING" mode or when connecting to a malicious server, which could be exploited by attackers to crash a vulnerable viewer or execute arbitrary code.
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