RHSA-2004:408-01: Updated mod_ssl package fixes minor vulnerability
Posted on: 09/07/2004 12:19 PM

Updated mod_ssl packages are available for Red Hat Enterprise Linux 2.1

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Red Hat Security Advisory

Synopsis: Updated mod_ssl package fixes minor vulnerability
Advisory ID: RHSA-2004:408-01
Issue date: 2004-09-07
Updated on: 2004-09-07
Product: Red Hat Enterprise Linux
CVE Names: CAN-2004-0700
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1. Summary:

An updated mod_ssl package for Apache that fixes a format string vulnerability is now available.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS (Advanced Server) version 2.1 - i386, ia64
Red Hat Linux Advanced Workstation 2.1 - ia64
Red Hat Enterprise Linux ES version 2.1 - i386
Red Hat Enterprise Linux WS version 2.1 - i386

3. Problem description:

The mod_ssl module provides strong cryptography for the Apache Web server via the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols.

A format string issue was discovered in mod_ssl for Apache 1.3 which can be triggered if mod_ssl is configured to allow a client to proxy to remote SSL sites. In order to exploit this issue, a user who is authorized to use Apache as a proxy would have to attempt to connect to a carefully crafted hostname via SSL. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2004-0700 to this issue.

Users of mod_ssl should upgrade to this updated package, which contains a backported patch to correct this issue.

4. Solution:

Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command:

up2date

For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system:

http://www.redhat.com/docs/manuals/enterprise/

5. Bug IDs fixed (http://bugzilla.redhat.com/ for more info):

128170 - CAN-2004-0700 mod_ssl format string vulnerability

6. RPMs required:

Red Hat Enterprise Linux AS (Advanced Server) version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/mod_ssl-2.8.12-6.src.rpm
209d559b50b81524606203cada5c4b68 mod_ssl-2.8.12-6.src.rpm

i386:
ecb068475e82644cfa0ed913b3bd1dc2 mod_ssl-2.8.12-6.i386.rpm

ia64:
483397e046e50c433d85bd74c3f8d7e4 mod_ssl-2.8.12-6.ia64.rpm

Red Hat Linux Advanced Workstation 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/mod_ssl-2.8.12-6.src.rpm
209d559b50b81524606203cada5c4b68 mod_ssl-2.8.12-6.src.rpm

ia64:
483397e046e50c433d85bd74c3f8d7e4 mod_ssl-2.8.12-6.ia64.rpm

Red Hat Enterprise Linux ES version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1ES/en/os/SRPMS/mod_ssl-2.8.12-6.src.rpm
209d559b50b81524606203cada5c4b68 mod_ssl-2.8.12-6.src.rpm

i386:
ecb068475e82644cfa0ed913b3bd1dc2 mod_ssl-2.8.12-6.i386.rpm

Red Hat Enterprise Linux WS version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1WS/en/os/SRPMS/mod_ssl-2.8.12-6.src.rpm
209d559b50b81524606203cada5c4b68 mod_ssl-2.8.12-6.src.rpm

i386:
ecb068475e82644cfa0ed913b3bd1dc2 mod_ssl-2.8.12-6.i386.rpm

These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://www.redhat.com/security/team/key.html#package

7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0700

8. Contact:

The Red Hat security contact is secalert@redhat.com. More contact details at https://www.redhat.com/security/team/contact.html

Copyright 2004 Red Hat, Inc.


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