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."

Category

10.0
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 8.62% Top 10%
Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory sun.com Vendor Advisory redhat.com Vendor Advisory sun.com Vendor Advisory realvnc.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.gentoo.org/security/en/glsa/glsa-200903-17.xml vendor advisory
http://www.realvnc.com/products/upgrade.html vendor advisory
https://www.redhat.com/archives/fedora-package-announce/2009-January/msg01025.html vendor advisory
http://www.realvnc.com/products/free/4.1/release-notes.html
http://secunia.com/advisories/33689 third party advisory
http://secunia.com/advisories/34184 third party advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-21-140455-01-1 patch vendor advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-26-248526-1 vendor advisory
http://www.securityfocus.com/bid/31832 vdb entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/45969 vdb entry
http://www.securityfocus.com/bid/33263 vdb entry
http://secunia.com/advisories/32317 third party advisory
http://www.vupen.com/english/advisories/2008/2868 vdb entry
http://www.realvnc.com/pipermail/vnc-list/2008-November/059432.html mailing list
https://exchange.xforce.ibmcloud.com/vulnerabilities/47937 vdb entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9367 signature vdb entry
http://www.redhat.com/support/errata/RHSA-2009-0261.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2008-4770?
CVE-2008-4770 has been scored as a critical severity vulnerability.
How to fix CVE-2008-4770?
To fix CVE-2008-4770, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2008-4770 being actively exploited in the wild?
It is possible that CVE-2008-4770 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~9% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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