Home/CVE/Stack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function in vncviewer/ClientConnection.cpp
CVE

CVE-2008-0610

Stack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function in vncviewer/ClientConnection.cpp

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.

HIGH · CVSS 9.3 EPSS 0.74834
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 1% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

1
ultravncall versions
⚠

Public Exploits & PoCs

3
remoteUltraVNC 1.0.2 Client - 'vncviewer.exe' Remote Buffer Overflow (Metasploit)verified
pocwww.exploit-db.com · 18666www.exploit-db.com
pocwww.securityfocus.com · 27561www.securityfocus.com
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious UltraVNC Execution
productmediumUse of UltraVNC Remote Access Software
▣

Scoring & Timeline

9.3
HIGH · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Published to NVD06 Feb 2008 · 12:00 PM
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://forum.ultravnc.info/viewtopic.php?t=11850
http://secunia.com/advisories/28747PatchVendor Advisory
http://sourceforge.net/project/shownotes.php?release_id=571174&group_id=63887
http://ultravnc.svn.sourceforge.net/viewvc/ultravnc/UltraVNC
http://www.kb.cert.org/vuls/id/721460US Government Resource
http://www.securitytracker.com/id?1019293
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