CVE-2011-1775 in TigerVNC

Summary

The CSecurityTLS::processMsg function in common/rfb/CSecurityTLS.cxx in the vncviewer component in TigerVNC 1.1beta1 does not properly verify the server s X.509 certificate, which allows man-in-the-middle attackers to spoof a TLS VNC server via an arbitrary certificate.

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• Reservation: 04/19/2011
• Disclosure: 05/26/2011
• Moderation: VulDB entry created
• Entries: 1
• CPE: ready
• CWE: CWE-20 (Confirmed)
• CVSS: 6.5
• EPSS: 0.00477
• Activities: Very Low

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2011-1775
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2011-1775
• CVE Details: https://www.cvedetails.com/cve/CVE-2011-1775/