Unscored severity · published May 26, 2011
CVE-2011-1775
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…
–
CVSS
1.3%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TI
Tigervnc · Tigervnc
1.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-1775
CVE.org
https://www.cve.org/CVERecord?id=CVE-2011-1775
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060567.html
openwall.com
http://openwall.com/lists/oss-security/2011/05/06/2
openwall.com
http://openwall.com/lists/oss-security/2011/05/09/7
secunia.com
http://secunia.com/advisories/44939
www.mail-archive.com
http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01342.html
www.mail-archive.com
http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01345.html
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