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Last updated: 5/30/2016 5:52:36 PM

CVE Publication rate: 19.5

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Vulnerability Workload Index: 12.22
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NVD is a product of the NIST Computer Security Division and is sponsored by the Department of Homeland Security's National Cyber Security Division. It supports the U.S. government multi-agency (OSD, DHS, NSA, DISA, and NIST) Information Security Automation Program. It is the U.S. government content repository for the Security Content Automation Protocol (SCAP).

National Cyber Awareness System

Vulnerability Summary for CVE-2008-4770

Original release date: 01/16/2009
Last revised: 08/21/2010


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."


CVSS Severity (version 2.0):
CVSS v2 Base Score: 10.0 HIGH
Impact Subscore: 10.0
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: BID
Name: 31832
External Source: XF
Name: realvnc-cmsgreader-code-execution(45969)
External Source: CONFIRM
Name: http://www.realvnc.com/products/upgrade.html
Type: Advisory
External Source: CONFIRM
Name: http://sunsolve.sun.com/search/document.do?assetkey=1-21-140455-01-1
Type: Advisory; Patch Information
External Source: MLIST
Name: [vnc-list] 20081126 VNC Viewer Vulnerability CVE-2008-4770
External Source: GENTOO
Name: GLSA-200903-17
External Source: SUNALERT
Name: 248526
Type: Advisory
External Source: FEDORA
Name: FEDORA-2009-1001
External Source: BID
Name: 33263
External Source: VUPEN
Name: ADV-2008-2868
External Source: CONFIRM
Name: http://www.realvnc.com/products/free/4.1/release-notes.html
External Source: XF
Name: realvnc-rfb-protocol-code-execution(47937)
External Source: REDHAT
Name: RHSA-2009:0261
External Source: OVAL
Name: oval:org.mitre.oval:def:9367

References to Check Content

Identifier: oval:org.mitre.oval:def:9367
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Technical Details

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