CVE-2008-0610
Stack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function in vncviewer/ClientConnection.cpp in vncviewer for…
- 9.3HighCVSS base score
- 38.8%Exploitation in 30 daysEPSS · top 1.4% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 2Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module and an Exploit-DB entry for it. A reference of the record is tagged as an exploit.
Show the exploits3
Metasploit modules1 module
- UltraVNC 1.0.2 Client (vncviewer.exe) Buffer Overflow (Metasploit module) (opens in a new tab)
exploit/windows/vnc/ultravnc_viewer_bofRank normaldisclosed 6 Feb 2008
Exploit-DB1 entry
- UltraVNC 1.0.2 Client - 'vncviewer.exe' Remote Buffer Overflow (Metasploit) (Exploit-DB entry) (opens in a new tab)
EDB-ID 18666remote, windowspublished 26 Mar 2012Verified
References tagged exploit1 reference
- 18666 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 1 day later
· 1 day later
Published
- 17 years later
· 17 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 38.8% · top 1.4% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.
Affected products
n/a
- affected n/a
References
9
- http://sourceforge.net/project/shownotes.php?release_id=571174&group_id=63887 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 27561 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- VU#721460 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- 28747 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://forum.ultravnc.info/viewtopic.php?t=11850 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://ultravnc.svn.sourceforge.net/viewvc/ultravnc/UltraVNC%20Project%20Root/UltraVNC/vncviewer/ClientConnection.cpp?sortby=date&r1=169&r2=168&pathrev=169 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 18666 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 1019293 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- ADV-2008-0392 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2008-0620 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2008-0610)Record last updated .