CVE-2008-0610

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 38.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2008-02-06 · updated 2026-06-16
Weakness: CWE-119

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.

Affected products

Ultravnc: 1.0.2, 1.0.4, 1.0.4_rc6, 1.0.4_rc7, 1.0.4_rc8

References

http://forum.ultravnc.info/viewtopic.php?t=11850
http://secunia.com/advisories/28747
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/721460
http://www.securityfocus.com/bid/27561
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/28747
http://sourceforge.net/project/shownotes.php?release_id=571174&group_id=63887

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