CVE-2008-0610

critical

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.

References

http://www.vupen.com/english/advisories/2008/0392

http://www.securitytracker.com/id?1019293

http://www.kb.cert.org/vuls/id/721460

http://www.exploit-db.com/exploits/18666

http://ultravnc.svn.sourceforge.net/viewvc/ultravnc/UltraVNC%20Project%20Root/UltraVNC/vncviewer/ClientConnection.cpp?sortby=date&r1=169&r2=168&pathrev=169

http://sourceforge.net/project/shownotes.php?release_id=571174&group_id=63887

http://secunia.com/advisories/28747

http://forum.ultravnc.info/viewtopic.php?t=11850

Details

Source: Mitre, NVD

Published: 2008-02-06

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.38757