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Security update for package vnc

Knowledgebase

(Last modified: 16JUN2003)


solutions Security update for package vnc SuSE Linux Maintenance Web (45113a6473dd7f1cba7d5c28b55c720d)

Applies to

Product(s): SuSE Linux Connectivity Server
SuSE Linux Enterprise Server 7 for IA32
SuSE Linux Enterprise Server 7 for PowerPC
SuSE Linux Enterprise Server 7 for S/390 and zSeries
SuSE Linux Enterprise Server 7 for IBM zSeries
SuSE Linux Enterprise Server 8 for x86
SuSE Linux Enterprise Server 8 for IBM iSeries and IBM pSeries
SuSE Linux Enterprise Server 8 for IBM S/390 and IBM zSeries
SuSE Linux Enterprise Server 8 for IBM zSeries
SuSE Linux Office Server
SuSE Linux Openexchange Server 4
SuSE Linux Enterprise Server 8 for AMD64
SuSE Linux Desktop 1.0

Package: vnc
Release: 20030616
Obsoletes: none

Indications

Everyone using VNC should install this update.

Contraindications

None.

Problem description

VNC generates the same challenge string for multiple connections, which allows remote attackers to bypass VNC authentication by sniffing the challenge and response of other users.
It is recommended to immediately install the update package as provided. After applying the update, all vncserver processes must be restarted for the changed package to become effective.

Solution

Please install the updates provided at the location noted below.

Installation notes

This update is provided as an RPM package that can easily be installed onto a running system by using this command:
rpm -Fvh vnc.rpm
Note: Terminate all running vncserver processes after applying the update, for example with
killall vncserver
and start them anew.

links to download packages

Download Source Packages

Download the source code of the patches for maintained products.


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