Vulnerability Report

CVE-2008-0610

Title: Ultravnc RCE

Memory Corruption

Proof Of Concept

PoC Available for CVE-2008-0610

CWE Category CWE-119

Published Date Feb 06, 2008

Modified Date Jun 16, 2026

Exploit Status Available

Score 9.3 CVSS v2.0

Exploit Probability (EPSS)

38.76%

Vulnerability Summary

CVE-2008-0610: 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.

Impacted Vendors

ultravnc 1

uvnc 1

Reference Links

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 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

CVSS v2.0

Source Entity [email protected]

Severity HIGH

9.3

Access Vector

N/A

Authentication

N/A

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2008-0610 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/18666

View Code

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 09, 2025 MODIFIED

Vulnerability data or affected products updated.

February 06, 2008 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.