CVE-2008-0610
Stack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function in...
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.
Exploit likelihood
What each source reports
NVD Score used
9.3
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.
- Record
CVE-2008-0610- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2008-0610- Updated
- 2026-11-02
EUVDEUVD-2008-0620 No score
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.
- Record
EUVD-2008-0620- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vm88-xwrf-p2q7 No score
Stack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function in...
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.
- Record
GHSA-vm88-xwrf-p2q7- Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | UltraVNC 1.0.2 Client - 'vncviewer.exe' Remote Buffer Overflow (Metasploit) | 2012-03-26 |
| Metasploit | UltraVNC 1.0.2 Client (vncviewer.exe) Buffer Overflow | 2008-02-06 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2008-0610 is a high vulnerability (CVSS 9.3) in Ultravnc, published February 6, 2008. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 38.8%, the 98th percentile. No source names a fixed version.
References
sourceforge.net/project/shownotes.php?release_id=571174&group_id=63887
securityfocus.com/bid/27561
kb.cert.org/vuls/id/721460
secunia.com/advisories/28747
forum.ultravnc.info/viewtopic.php?t=11850
ultravnc.svn.sourceforge.net/viewvc/ultravnc/UltraVNC%20Project%20Root/UltraVNC/vncviewer/ClientConnection.cpp?sortby=date&r1=169&r2=168&pathrev=169