CVE-2008-4770
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.05%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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."
- CVSS 2.0
- 10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 4.05% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- realvnc/realvnc
- Source
- cve@mitre.org
References
- http://secunia.com/advisories/32317
- http://secunia.com/advisories/33689
- http://secunia.com/advisories/34184
- http://sunsolve.sun.com/search/document.do?assetkey=1-21-140455-01-1Patch, Vendor Advisory
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-248526-1Vendor Advisory
- http://www.gentoo.org/security/en/glsa/glsa-200903-17.xml
- http://www.realvnc.com/pipermail/vnc-list/2008-November/059432.html
- http://www.realvnc.com/products/free/4.1/release-notes.html
- http://www.realvnc.com/products/upgrade.htmlVendor Advisory
- http://www.redhat.com/support/errata/RHSA-2009-0261.html
- http://www.securityfocus.com/bid/31832
- http://www.securityfocus.com/bid/33263
- http://www.vupen.com/english/advisories/2008/2868
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45969
- https://exchange.xforce.ibmcloud.com/vulnerabilities/47937
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9367
- https://www.redhat.com/archives/fedora-package-announce/2009-January/msg01025.html
- http://secunia.com/advisories/32317
- http://secunia.com/advisories/33689
- http://secunia.com/advisories/34184
- http://sunsolve.sun.com/search/document.do?assetkey=1-21-140455-01-1Patch, Vendor Advisory
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-248526-1Vendor Advisory
- http://www.gentoo.org/security/en/glsa/glsa-200903-17.xml
- http://www.realvnc.com/pipermail/vnc-list/2008-November/059432.html
- http://www.realvnc.com/products/free/4.1/release-notes.html
- http://www.realvnc.com/products/upgrade.htmlVendor Advisory
- http://www.redhat.com/support/errata/RHSA-2009-0261.html
- http://www.securityfocus.com/bid/31832
- http://www.securityfocus.com/bid/33263
- http://www.vupen.com/english/advisories/2008/2868
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.