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Status published
Medium
CVE-2011-1775
The CSecurityTLS::processMsg function in common/rfb/CSecurityTLS.cxx in the vncviewer component in...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://openwall.com/lists/oss-security/2011/05/06/2
- http://openwall.com/lists/oss-security/2011/05/09/7
- http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01342.html
- http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01345.html
- https://bugzilla.redhat.com/show_bug.cgi?id=702672
- http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060567.html
- https://bugzilla.redhat.com/show_bug.cgi?id=702470
- http://www.redhat.com/support/errata/RHSA-2011-0871.html
- http://secunia.com/advisories/44939
- http://www.securityfocus.com/bid/47738
- http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01347.html
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Affected Vendor
tigervnc
View all reports →Affected Software
tigervnc
Vulnerable Versions:
1.1
Timeline
Official Publish:
May 26th, 2011
Last Modified:
August 6th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.