CVE-2008-0610: ultravnc
Vulnerability summary
CVE-2008-0610 is a high (CVSS 9.3) vulnerability in ultravnc. EPSS estimates a 38.76% chance of exploitation in the next 30 days, higher than 98.5% of scored vulnerabilities. 3 public exploits are recorded.
Timeline
- 06-02-2008PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
38.76%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
0.00 pp
From 38.76% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
3 foundExploit Reference (securityfocus.com)
Maturity: unknown
UltraVNC 1.0.2 Client - 'vncviewer.exe' Remote Buffer Overflow (Metasploit)
Maturity: weaponized
UltraVNC 1.0.2 Client (vncviewer.exe) Buffer Overflow
exploit/windows/vnc/ultravnc_viewer_bof
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Ultravnc1 product
- ultravnc1.0.2 | 1.0.4 | 1.0.4_rc6 | 1.0.4_rc7 | 1.0.4_rc8
1 vendor · 1 product
References
9 links- sourceforge.net/project/shownotes.php?release_id=571174&group_id=63887X Refsource CONFIRM
- forum.ultravnc.info/viewtopic.php?t=11850X Refsource CONFIRM
- ultravnc.svn.sourceforge.net/viewvc/…X Refsource CONFIRM