Date: Thu, 19 Dec 2002 20:51:21 +0100
From: (Trustix Secure Linux Advisor) <tsl@trustix.com>
To: bugtraq@securityfocus.com
Subject: TSLSA-2002-0085 - lynx-ssl
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Trustix Secure Linux Security Advisory #2002-0085
Package name: lynx-ssl
Summary: HTTP headers injection
Date: 2002-12-19
Affected versions: TSL 1.1, 1.2, 1.5
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Package description:
Lynx is a text-based Web browser. Lynx does not display any images,
but it does support frames, tables and most other HTML tags. Lynx's
advantage over graphical browsers is its speed: Lynx starts and exits
quickly and swiftly when displaying Web pages.
This SSL patch package for Lynx provides the ability to make use of SSL
over HTTP for secure access to web sites (HTTPS) and over NNTP for secure
access to news servers (SNEWS). SSL is handled transparently, allowing
users to continue accessing web sites and news services from within Lynx
through the same interface for both secure and standard transfers.
Problem description:
Due to insufficient checking for illegal characters, the Lynx-ssl
could be tricked into sending additional HTTP headers in a request.
Action:
We recommend that all systems with this package installed be upgraded.
Please note that if you do not need the functionality provided by this
package, you may want to remove it from your system.
Location:
All TSL updates are available from
<URI:http://www.trustix.net/pub/Trustix/updates/>;
<URI:ftp://ftp.trustix.net/pub/Trustix/updates/>;
About Trustix Secure Linux:
Trustix Secure Linux is a small Linux distribution for servers. With focus
on security and stability, the system is painlessly kept safe and up to
date from day one using swup, the automated software updater.
Automatic updates:
Users of the SWUP tool can enjoy having updates automatically
installed using 'swup --upgrade'.
Get SWUP from:
<URI:ftp://ftp.trustix.net/pub/Trustix/software/swup/>;
Public testing:
These packages have been available for public testing for some time.
If you want to contribute by testing the various packages in the
testing tree, please feel free to share your findings on the
tsl-discuss mailinglist.
The testing tree is located at
<URI:http://www.trustix.net/pub/Trustix/testing/>;
<URI:ftp://ftp.trustix.net/pub/Trustix/testing/>;
Questions?
Check out our mailing lists:
<URI:http://www.trustix.net/support/>;
Verification:
This advisory along with all TSL packages are signed with the TSL sign key.
This key is available from:
<URI:http://www.trustix.net/TSL-GPG-KEY>;
The advisory itself is available from the errata pages at
<URI:http://www.trustix.net/errata/trustix-1.2/>; and
<URI:http://www.trustix.net/errata/trustix-1.5/>;
or directly at
<URI:http://www.trustix.net/errata/misc/2002/TSL-2002-0085-lynx-ssl.asc.txt>;
MD5sums of the packages:
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b797d18c88060df90ce54e9fb48e1bf4 ./1.1/RPMS/lynx-ssl-2.8.4-1tr.i586.rpm
581dfbd59e6f47f721b1ea6a365c5c4e ./1.1/SRPMS/lynx-ssl-2.8.4-1tr.src.rpm
abf719e183bdec2fcc5d6314e22fa785 ./1.2/RPMS/lynx-ssl-2.8.4-1tr.i586.rpm
581dfbd59e6f47f721b1ea6a365c5c4e ./1.2/SRPMS/lynx-ssl-2.8.4-1tr.src.rpm
b9a901ce8b48c6fd77ca996c6f998540 ./1.5/RPMS/lynx-ssl-2.8.4-1tr.i586.rpm
581dfbd59e6f47f721b1ea6a365c5c4e ./1.5/SRPMS/lynx-ssl-2.8.4-1tr.src.rpm
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Trustix Security Team
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