CVE-2008-0610 in the critical feed json
Stack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function in vncviewer/ClientConnection.cpp in vncviewer for U…
published 2008-02-06 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-0620
- cvss
- 9.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 38.8%
- EPSS 38.8% chance of exploitation in 30 days, percentile 98%
- public exploits
- 2
- Metasploit, Exploit-DB
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.
Patch / fix
- securityfocus.com/bid/27561 patch
- secunia.com/advisories/28747 advisory
Timeline
- First public exploit (Metasploit exploit/windows/vnc/ultravnc_viewer_bof)
- Published
Exploit prediction
38.76% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit exploit/windows/vnc/ultravnc_viewer_bof UltraVNC 1.0.2 Client (vncviewer.exe) Buffer Overflow metasploit exploit, normal rank, 2008-02-06
- EDB-18666 UltraVNC 1.0.2 Client - 'vncviewer.exe' Remote Buffer Overflow (Metasploit) remote, 2012-03-26
- securityfocus.com http://www.securityfocus.com/bid/27561 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
securityfocus.com
/bid/27561
vdb-entry, exploit, patch
-
secunia.com
/advisories/28747
third-party-advisory, patch, vendor-advisory
-
exploit-db.com
/exploits/18666
exploit
- sourceforge.net /project/shownotes.php?release_id=571174&group_id=63887
-
kb.cert.org
/vuls/id/721460
third-party-advisory, us-government-resource
- 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&p
-
securitytracker.com
/id?1019293
vdb-entry
-
vupen.com
/english/advisories/2008/0392
vdb-entry
Sources
- CVE List CVE-2008-0610
- NVD CVE-2008-0610
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.