Date: Thu, 20 Jun 2002 17:01:38 +0200
From: (Trustix Secure Linux Advisor) <tsl@trustix.com>
To: bugtraq@securityfocus.com
Subject: TSLSA-2002-0056 - apache
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Trustix Secure Linux Security Advisory #2002-0056
Package name: apache
Summary: Remote DoS attack
Date: 2002-06-19
Affected versions: TSL 1.01, 1.1, 1.2, 1.5
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Problem description:
From the original Apache advisory:
Versions of the Apache web server up to and including 1.3.24 and 2.0
up to and including 2.0.36 contain a bug in the routines which deal
with invalid requests which are encoded using chunked encoding. This
bug can be triggered remotely by sending a carefully crafted invalid
request.
On TSL, this can be used in a denial of service attack but is not belived
to be exploitable in any other manner.
Action:
We recommend that all systems with this package installed are upgraded.
Please note that if you do not need the functionality provided by this
package, you may want to remove it from your system.
Users of TSL 1.01, 1.1 and 1.2 may want to read the file
http://www.trustix.net/pub/Trustix/updates/1.1/RPMS/README-apache-ssl
Location:
All TSL updates are available from
<URI:http://www.trustix.net/pub/Trustix/updates/>;
<URI:ftp://ftp.trustix.net/pub/Trustix/updates/>;
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-2002-0056-apache.asc.txt>;
MD5sums of the packages:
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21ca20f92e6dfabbf56fdae150e63078 ./1.5/SRPMS/apache-1.3.26-1tr.src.rpm
facbc7ea75788eaa943a0952ae257374 ./1.5/RPMS/apache-devel-1.3.26-1tr.i586.rpm
0cf4ea9e0eddda3abf9aeb8571296a7c ./1.5/RPMS/apache-1.3.26-1tr.i586.rpm
21ca20f92e6dfabbf56fdae150e63078 ./1.2/SRPMS/apache-1.3.26-1tr.src.rpm
48b5186841d7de2dac65a2c96e9dd329 ./1.2/RPMS/apache-devel-1.3.26-1tr.i586.rpm
0f62cb9851aa664c68fc8ad460a535e8 ./1.2/RPMS/apache-1.3.26-1tr.i586.rpm
21ca20f92e6dfabbf56fdae150e63078 ./1.1/SRPMS/apache-1.3.26-1tr.src.rpm
f42f6b504d1d28290a6f17eb5197029d ./1.1/RPMS/apache-devel-1.3.26-1tr.i586.rpm
f917525c4b0b9230d3ba9d9582d73705 ./1.1/RPMS/apache-1.3.26-1tr.i586.rpm
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Trustix Security Team
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