(Trustix Issues Fix) Apache mod_include Buffer Overflow Lets Local Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1012101 |
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SecurityTracker URL: http://securitytracker.com/id/1012101
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CVE Reference:
CVE-2004-0940
(Links to External Site)
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Date: Nov 6 2004
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Impact:
Execution of arbitrary code via local system, User access via local system
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 1.3.x
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Description:
Crazy Einstein reported a buffer overflow in Apache mod_include. A local user may be able to gain elevated privileges.
It is reported that the get_tag() function contains a buffer overflow that can be triggered, for example, from the handle_echo() function. A local user can create specially crafted HTML that, when processed by Apache, will execute arbitrary code with the privileges of the httpd child process.
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Impact:
A local user can execute arbitrary code with the privileges of the Apache httpd child process.
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Solution:
Trustix has issued a fix, available at:
http://http.trustix.org/pub/trustix/updates/
ftp://ftp.trustix.org/pub/trustix/updates/
The MD5sums of the packages are:
c7352ba9dec23d73691bae3181d4de00 1.5/rpms/apache-1.3.33-1tr.i586.rpm
d2d868badb2a5931b10ef517e770982e 1.5/rpms/apache-devel-1.3.33-1tr.i586.rpm
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Vendor URL: httpd.apache.org/ (Links to External Site)
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Cause:
Boundary error
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Underlying OS:
Linux (Trustix)
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Message History:
This archive entry is a follow-up to the message listed below.
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Source Message Contents
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Date: Fri, 5 Nov 2004 16:25:05 +0100
Subject: TSLSA-2004-0056 - apache
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
- --------------------------------------------------------------------------
Trustix Secure Linux Security Advisory #2004-0056
Package name: apache
Summary: Buffer overflow / DoS
Date: 2004-11-05
Affected versions: Trustix Secure Linux 1.5
- --------------------------------------------------------------------------
Package description:
Apache is a full featured web server that is freely available, and also
happens to be the most widely used.
Problem description:
Potential buffer overflow with escaped characters in SSI tag string.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CAN-2004-0940 to this issue.
Reject responses from a remote server if sent an invalid (negative)
Content-Length.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CAN-2004-0492 to this issue.
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 Trustix Secure Linux updates are available from
<URI:http://http.trustix.org/pub/trustix/updates/>
<URI:ftp://ftp.trustix.org/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'.
Questions?
Check out our mailing lists:
<URI:http://www.trustix.org/support/>
Verification:
This advisory along with all Trustix packages are signed with the
TSL sign key.
This key is available from:
<URI:http://www.trustix.org/TSL-SIGN-KEY>
The advisory itself is available from the errata pages at
<URI:http://www.trustix.org/errata/trustix-1.5/>
or directly at
<URI:http://www.trustix.org/errata/2004/0056/>
MD5sums of the packages:
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c7352ba9dec23d73691bae3181d4de00 1.5/rpms/apache-1.3.33-1tr.i586.rpm
d2d868badb2a5931b10ef517e770982e 1.5/rpms/apache-devel-1.3.33-1tr.i586.rpm
- --------------------------------------------------------------------------
Trustix Security Team
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