CVE-2008-0610

HighPublished

Stack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function in vncviewer/ClientConnection.cpp in vncviewer for UltraVNC 1.0.2 and...

Published: Feb 6, 2008
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: Mar 26, 2012

Primary CVSS

9.3/ 10High

nvd · CVSS 2.0

AV:N/AC:M/Au:N/C:C/I:C/A:C

EPSS probability estimate

38.8%

Moderate · next 30 days

Percentile: 98.6%
Model date: Oct 13, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

Repository evidence: Files: 1 · Repositories: 1

1 Module

UltraVNC 1.0.2 Client (vncviewer.exe) Buffer OverflowModule
modules/exploits/windows/vnc/ultravnc_viewer_bof.rb
Metasploit Framework modules
ExploitEvidence observed: Sep 26, 2026Revision: 6144ecdd0f63Related tool
Declared conditions
- platform: Windows($.exploit_windows/vnc/ultravnc_viewer_bof.platform)
- verification: check_not_declared($.exploit_windows/vnc/ultravnc_viewer_bof.check)

UltraVNC 1.0.2 Client - 'vncviewer.exe' Remote Buffer Overflow (Metasploit)Exploit

Responsible use

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