Description
Stack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function in vncviewer/ClientConnection.cpp in vncviewer for UltraVNC 1.0.2 and 1.0.4 before 01252008, when in LISTENING mode or when using the DSM plugin, allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a modified size value.
Metrics
CVSS 2.0 9.3/10
AV:N/AC:M/Au:N/C:C/I:C/A:CWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://forum.ultravnc.info/viewtopic.php?t=11850
- http://secunia.com/advisories/28747Patch, Vendor Advisory
- http://sourceforge.net/project/shownotes.php?release_id=571174&group_id=63887
- http://ultravnc.svn.sourceforge.net/viewvc/ultravnc/UltraVNC%20Project%20Root/UltraVNC/vncviewer/ClientConnection.cpp?sortby=date&r1=169&r2=168&pathrev=169
- http://www.exploit-db.com/exploits/18666
- http://www.kb.cert.org/vuls/id/721460US Government Resource
- http://www.securityfocus.com/bid/27561Exploit, Patch
- http://www.securitytracker.com/id?1019293
- http://www.vupen.com/english/advisories/2008/0392
- http://forum.ultravnc.info/viewtopic.php?t=11850
- http://secunia.com/advisories/28747Patch, Vendor Advisory
- http://sourceforge.net/project/shownotes.php?release_id=571174&group_id=63887
- http://ultravnc.svn.sourceforge.net/viewvc/ultravnc/UltraVNC%20Project%20Root/UltraVNC/vncviewer/ClientConnection.cpp?sortby=date&r1=169&r2=168&pathrev=169
- http://www.exploit-db.com/exploits/18666
- http://www.kb.cert.org/vuls/id/721460US Government Resource
- http://www.securityfocus.com/bid/27561Exploit, Patch
- http://www.securitytracker.com/id?1019293
- http://www.vupen.com/english/advisories/2008/0392
Timeline
- Published
- Feb 6, 2008
- Last modified
- Jun 16, 2026
- NVD status
- Modified