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Family: Gentoo Local Security Checks --> Category: infos
[GLSA-200608-12] x11vnc: Authentication bypass in included LibVNCServer code Vulnerability Scan
Vulnerability Scan Summary
x11vnc: Authentication bypass in included LibVNCServer code
Detailed Explanation for this Vulnerability Test
The remote host is affected by the vulnerability described in GLSA-200608-12
(x11vnc: Authentication bypass in included LibVNCServer code)
x11vnc includes vulnerable LibVNCServer code, which fails to properly
validate protocol types effectively letting users decide what protocol
to use, such as "Type 1 - None" (GLSA-200608-05). x11vnc will accept
this security type, even if it is not offered by the server.
Impact
A possible hacker could exploit this vulnerability to gain unauthorized
access with the rights of the user running the VNC server.
Workaround
There is no known workaround at this time.
References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2450
http://www.gentoo.org/security/en/glsa/glsa-200608-05.xml
Solution:
All x11vnc users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-misc/x11vnc-0.8.1"
Threat Level: High
Click HERE for more information and discussions on this network vulnerability scan.
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