RealVNC SMsgReader and CMsgReader denial of service
| realvnc-smsgreader-cmsgreader-dos (28515) |  Low Risk |
Description:
RealVNC is vulnerable to a denial of service, caused by an integer overflow that can occur when handling clipboard changes. A remote attacker could exploit this vulnerability to cause the server to crash by sending specially-crafted clipboard changes which would cause a heap corruption in the readClientCutText() function of rfb/SMsgReader.cxx or in the readServerCutText() function of rfb/CMsgReader.cxx.
Platforms Affected:
- RealVNC, RealVNC 4.1.2 Free
Remedy:
No remedy available as of July 4, 2009.
Consequences:
Denial of Service
References:
- Full-Disclosure Mailing List, Sat Aug 19 2006 - 03:30:56 CDT, RealVNC 4.1.2 minor heap corruption/DoS vulnerability (authentication required) at http://archives.neohapsis.com/archives/fulldisclosure/2006-08/0550.html.
- RealVNC Web site, RealVNC at http://www.realvnc.com.
- BID-19599: RealVNC Clipboard Update Integer Overflow Vulnerability
Reported:
Aug 19, 2006
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