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CVE-2008-4770

Published Jan 16, 2009 realvnc CWE-20

Overview

CVE-2008-4770 is a known-severity vulnerability affecting realvnc realvnc. It was published on January 16, 2009.

Technical 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."

Remediation

Check the references section for vendor advisories and patches from realvnc. Update realvnc to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status

References

Ref secunia.com/advisories/32317 Ref secunia.com/advisories/33689 Ref secunia.com/advisories/34184 Ref sunsolve.sun.com/search/document.do?assetkey=1-21-140455-01-1 Ref sunsolve.sun.com/search/document.do?assetkey=1-26-248526-1 Ref www.gentoo.org/security/en/glsa/glsa-200903-17.xml Ref www.realvnc.com/pipermail/vnc-list/2008-November/059432.html Ref www.realvnc.com/products/free/4.1/release-notes.html Ref www.realvnc.com/products/upgrade.html Ref www.redhat.com/support/errata/RHSA-2009-0261.html

Frequently Asked Questions

What is CVE-2008-4770?

CVE-2008-4770 is a known-severity vulnerability affecting realvnc realvnc. It was published on January 16, 2009.

How severe is CVE-2008-4770?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2008-4770?

Check the references section for vendor advisories and patches from realvnc. Update realvnc to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2008-4770?

CyberStrike's AI-powered security agents can automatically detect CVE-2008-4770 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

Autonomous Discovery

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Continuous Pentesting

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Code Review

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HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.
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