(EnGarde Issues Fix) Apache mod_rewrite Contains a Buffer Overflow
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SecurityTracker Alert ID: 1008106
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CVE Reference: CAN-2003-0542
(Links to External Site)
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Date: Nov 5 2003
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Impact: Denial of service via network, Execution of arbitrary code via network, User access via network
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Fix Available: Yes
Vendor Confirmed: Yes
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Version(s): 2.0.47 and prior versions
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Description: A vulnerability was reported in the Apache mod_rewrite component. A remote user may be able to trigger a buffer overflow.
It is reported that both mod_alias and mod_rewrite contain a buffer overflow. If the administrator has configured a regular expression
with more than 9 captures, the overflow can be triggered.
[Editor's note: The Apache notice did not indicate the impact of the
buffer overflow.]
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Impact: [Editor's note: The Apache notice did not indicate the impact of the buffer overflow.]
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Solution: Guardian Digital has released a fix for EnGarde Secure Linux. Guardian Digital Secure Network subscribers can automatically update
affected systems via Guardian Digital WebTool.
Below are MD5 sums for the updated EnGarde Secure Linux 1.0.1 packages:
SRPMS/apache-1.3.27-1.0.34.src.rpm
MD5 Sum: de09c2e541f756745bd447e66cf10db2
i386/apache-1.3.27-1.0.34.i386.rpm
MD5 Sum: b26bc323801dfec79b3e302a60465793
i686/apache-1.3.27-1.0.34.i686.rpm
MD5 Sum: a404d9a5c7f0cdd4f1bb6b32288c7fa3
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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 (EnGarde)
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Underlying OS Comments: EnGarde Secure Community 1.0.1, 2; EnGarde Secure Professional 1.1, 1.2, 1.5
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Reported By: engarde-announce-admins@guardiandigital.com
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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: Wed, 5 Nov 2003 08:42:11 -0500 (EST)
From: engarde-announce-admins@guardiandigital.com
Subject: [ESA-20031105-030] 'apache' buffer overflow in mod_alias and
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+------------------------------------------------------------------------+
| Guardian Digital Security Advisory November 05, 2003 |
| http://www.guardiandigital.com ESA-20031105-030 |
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| Package: apache |
| Summary: buffer overflow in mod_alias and mod_rewrite. |
+------------------------------------------------------------------------+
EnGarde Secure Linux is an enterprise class Linux platform engineered
to enable corporations to quickly and cost-effectively build a complete
and secure Internet presence while preventing Internet threats.
OVERVIEW
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A buffer overflow in mod_alias and mod_rewrite was discovered in the
Apache web server. This vulnerability may be exploited when a regular
expression with more then nine captures is defined in either the
httpd.conf or an .htaccess file.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CAN-2003-0542 to this issue.
Guardian Digital products affected by this issue include:
EnGarde Secure Community v1.0.1
EnGarde Secure Community 2
EnGarde Secure Professional v1.1
EnGarde Secure Professional v1.2
EnGarde Secure Professional v1.5
It is recommended that all users apply this update as soon as possible.
SOLUTION
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Guardian Digital Secure Network subscribers may automatically update
affected systems by accessing their account from within the Guardian
Digital WebTool.
To modify your GDSN account and contact preferences, please go to:
https://www.guardiandigital.com/account/
Below are MD5 sums for the updated EnGarde Secure Linux 1.0.1 packages:
SRPMS/apache-1.3.27-1.0.34.src.rpm
MD5 Sum: de09c2e541f756745bd447e66cf10db2
i386/apache-1.3.27-1.0.34.i386.rpm
MD5 Sum: b26bc323801dfec79b3e302a60465793
i686/apache-1.3.27-1.0.34.i686.rpm
MD5 Sum: a404d9a5c7f0cdd4f1bb6b32288c7fa3
REFERENCES
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Guardian Digital's public key:
http://ftp.engardelinux.org/pub/engarde/ENGARDE-GPG-KEY
Apache's Official Web Site:
http://httpd.apache.org/
Guardian Digital Advisories:
http://infocenter.guardiandigital.com/advisories/
Security Contact: security@guardiandigital.com
--------------------------------------------------------------------------
Author: Ryan W. Maple <ryan@guardiandigital.com>
Copyright 2003, Guardian Digital, Inc.
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To unsubscribe email engarde-security-request@engardelinux.org
with "unsubscribe" in the subject of the message.
Copyright(c) 2003 Guardian Digital, Inc. GuardianDigital.com
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