Improper input validation in Realvnc
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 RFB protocol data, related to "encoding type."
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 10.0 (High). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.041 (90.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.041 · newest: 0.041 · change: 0.000
Affected products
- Realvnc — versions 4.0, 4.1.2, 4.4.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.gentoo.org/security/en/glsa/glsa-200903-17.xml (vendor-advisory)
- www.realvnc.com/products/upgrade.html (Vendor Advisory)
- www.redhat.com/archives/fedora-package-announce/2009-January/msg01025.html (vendor-advisory)
- www.realvnc.com/products/free/4.1/release-notes.html
- secunia.com/advisories/33689 (third-party-advisory)
- secunia.com/advisories/34184 (third-party-advisory)
- sunsolve.sun.com/search/document.do (Patch, Vendor Advisory)
- sunsolve.sun.com/search/document.do (vendor-advisory, Vendor Advisory)
- www.securityfocus.com/bid/31832 (vdb-entry)
- exchange.xforce.ibmcloud.com/vulnerabilities/45969 (vdb-entry)
Frequently asked questions
- What is CVE-2008-4770?
- CVE-2008-4770 is a vulnerability in Realvnc, classified under Improper Input Validation. Published 2009-01-16.
- Is CVE-2008-4770 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.