CVE-2008-4770

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."

How to fix CVE-2008-4770

To remediate CVE-2008-4770, upgrade the affected package to a fixed version below.

• Debian/vnc4—upgrade to 4.1.1+X4.3.0-31 or later
• Debian/vnc4—upgrade to 4.1.1+X4.3.0-21+etch1 or later

Is CVE-2008-4770 being exploited?

Low — EPSS is 4.1%, meaning exploitation activity has not been observed at scale.

Affected packages (2)

• from 0, < 4.1.1+X4.3.0-31
• from 0, < 4.1.1+X4.3.0-21+etch1

References (17)

• ADVISORYsecunia.com/advisories/32317
• ADVISORYsecunia.com/advisories/33689
• ADVISORYsecunia.com/advisories/34184
• ADVISORYsunsolve.sun.com/search/document.do?assetkey=1-26-248526-1
• ADVISORYwww.realvnc.com/products/upgrade.html