CVE-2011-1775

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional 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

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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