CVE-2008-0610 describes a stack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function within vncviewer for UltraVNC versions 1.0.2 and 1.0.4 (before 01252008). This vulnerability, occurring when vncviewer is in LISTENING mode or using the DSM plugin, allows remote attackers to execute arbitrary code or cause a denial of service by sending a modified size value. With a CVSS score of 9.3 (Critical), it poses a significant risk due to its network-based attack vector, medium attack complexity, and complete compromise of confidentiality, integrity, and availability. While not listed on CISA's KEV catalog, a Metasploit module exists for this vulnerability, indicating readily available exploit code, though it has received minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0.2CPE matchmatch criteria | cpe:2.3:a:ultravnc:ultravnc:1.0.2:*:*:*:*:*:*:* | ||
1.0.4CPE matchmatch criteria | cpe:2.3:a:ultravnc:ultravnc:1.0.4:*:*:*:*:*:*:* | ||
1.0.4_rc6CPE matchmatch criteria | cpe:2.3:a:ultravnc:ultravnc:1.0.4_rc6:*:*:*:*:*:*:* | ||
1.0.4_rc7CPE matchmatch criteria | cpe:2.3:a:ultravnc:ultravnc:1.0.4_rc7:*:*:*:*:*:*:* | ||
1.0.4_rc8CPE matchmatch criteria | cpe:2.3:a:ultravnc:ultravnc:1.0.4_rc8:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:C/I:C/A:C
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.