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Date: 16 Sep 1999 21:38:02 +0200
From: "Marc Heuse" <marc@suse.de>
Subject: [suse-security-announce] SuSE Security Announcement - lynx
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______________________________________________________________________________
SuSE Security Announcement
Package: lynx-2.8.2 and older
Date: Thu Sep 16 21:29:15 CEST 1999
Affected: all Linux distributions using lynx-2.8.2 and older
______________________________________________________________________________
A security hole was discovered in the package mentioned above.
Please update as soon as possible or disable the service if you are using
this software on your SuSE Linux installation(s).
Other Linux distributions or operating systems might be affected as
well, please contact your vendor for information about this issue.
Please note, that that we provide this information on as "as-is" basis only.
There is no warranty whatsoever and no liability for any direct, indirect or
incidental damage arising from this information or the installation of
the update package.
_____________________________________________________________________________
1. Problem Description
When lynx calls external programs for protocols (e.g. telnet), the
location is passed unchecked. This can be used to activate commandline
parameters.
For example, this reference [A HREF="telnet://-n.rhosts"]click me[/A]
would activate the tracefile options on the telnet client, with the
result, that a .rhosts in the current directory would created or
overwritten.
2. Impact
Depending on the external programs called by lynx, files can be created
or truncated, or even remote commands being executed if e.g. ssh or rsh
would be configured in lynx.
3. Solution
Updated the lynx package from our FTP server.
______________________________________________________________________________
Here are the md5 checksums of the upgrade packages, please verify these
before installing the new packages:
lynx-2.8.3dev9-76.i386.rpm fd29230757f76d33e21836965822f7a6 (5.3)
lynx-2.8.3dev9-76.i386.rpm 2fba1f9fcf2c3ad9bbb23f0ea18acecd (6.0)
lynx-2.8.3dev9-76.alpha.rpm f706fa71b38721d1d0e1e69700c467a4 (AXP)
lynx-2.8.3dev9-76.i386.rpm 2fba1f9fcf2c3ad9bbb23f0ea18acecd (6.1)
lynx-2.8.3dev9-76.i386.rpm 18f870d15016f63aa510cc5161c027c2 (6.2)
______________________________________________________________________________
You will find the update on our ftp-Server:
ftp://ftp.suse.com/pub/suse/i386/update/5.3/n1/lynx-2.8.3dev9-76.i386.rpm
ftp://ftp.suse.com/pub/suse/axp/update/6.1/n1/lynx-2.8.3dev9-76.alpha.rpm
ftp://ftp.suse.com/pub/suse/i386/update/6.1/n1/lynx-2.8.3dev9-76.i386.rpm
ftp://ftp.suse.com/pub/suse/i386/update/6.2/n1/lynx-2.8.3dev9-76.i386.rpm
Webpage for patches:
http://www.suse.de/patches/index.html
or try the following web pages for a list of mirrors:
http://www.suse.de/ftp.html
http://www.suse.com/ftp_new.html
______________________________________________________________________________
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interested party may subscribe:
suse-security@suse.com - moderated and for general/linux/SuSE
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______________________________________________________________________________
If you want to report *NEW* security bugs in the SuSE Linux Distribution
please send an email to security@suse.de or call our support line.
You may use pgp with the public key below to ensure confidentiality.
______________________________________________________________________________
This information is provided freely to everyone interested and may
be redistributed provided that it is not altered in any way.
Type Bits/KeyID Date User ID
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