Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2008-4770

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
16/01/2009
Last modified:
09/04/2025

Description

The CMsgReader::readRect function in the VNC Viewer component in RealVNC VNC Free Edition 4.0 through 4.1.2, Enterprise Edition E4.0 through E4.4.2, and Personal Edition P4.0 through P4.4.2 allows remote VNC servers to execute arbitrary code via crafted RFB protocol data, related to "encoding type."

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 10.00 HIGH
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
10.00
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:realvnc:realvnc:4.0:*:free:*:*:*:*:*
cpe:2.3:a:realvnc:realvnc:4.1.2:*:free:*:*:*:*:*
cpe:2.3:a:realvnc:realvnc:4.4.2:*:enterprise:*:*:*:*:*
cpe:2.3:a:realvnc:realvnc:e4.0:*:enterprise:*:*:*:*:*
cpe:2.3:a:realvnc:realvnc:p4.0:*:personal:*:*:*:*:*
cpe:2.3:a:realvnc:realvnc:p4.4.2:*:personal:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools