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GENTOO LINUX SECURITY ANNOUNCEMENT 200302-16
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PACKAGE : vnc
SUMMARY : insecure cookie generation
DATE : 2003-02-24 11:35 UTC
EXPLOIT : remote
VERSIONS AFFECTED : <3.3.6-r1
FIXED VERSION : 3.3.6-r1

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- From Red Hat Security Advisory RHSA-2003:041-12:

"The VNC server acts as an X server, but the script for starting it
generates an MIT X cookie (which is used for X authentication) without
using a strong enough random number generator. This could allow an
attacker to be able to more easily guess the authentication cookie."

Read the full advisory at:
https://rhn.redhat.com/errata/RHSA-2003-041.html

SOLUTION

It is recommended that all Gentoo Linux users who are running
net-misc/vnc upgrade to vnc-3.3.6-r1 as follows:

emerge sync
emerge -u vnc
emerge clean

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aliz (at) gentoo (dot) org [email concealed] - GnuPG key is available at http://cvs.gentoo.org/~aliz
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