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GENTOO LINUX SECURITY ANNOUNCEMENT 200302-15
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          PACKAGE : tightvnc
          SUMMARY : insecure cookie generation
             DATE : 2003-02-24 11:34 UTC
          EXPLOIT : remote
VERSIONS AFFECTED : <1.2.8
    FIXED VERSION : 1.2.8

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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/tightvnc upgrade to tightvnc-1.2.8 as follows:

emerge sync
emerge -u tightvnc
emerge clean

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aliz@gentoo.org - GnuPG key is available at http://cvs.gentoo.org/~aliz
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