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Red Hat Security Advisory
Synopsis: Updated Apache and mod_ssl packages fix security vulnerabilities
Advisory ID: RHSA-2003:243-01
Issue date: 2003-09-22
Updated on: 2003-09-22
Product: Red Hat Linux
Keywords: Apache httpd ASF APR
Cross references:
Obsoletes: RHSA-2002:222
CVE Names: CAN-2003-0020 CAN-2003-0192
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1. Topic:
Updated Apache and mod_ssl packages that fix several minor security issues
are now available for Red Hat Linux 7.1, 7.2, and 7.3.
2. Relevant releases/architectures:
Red Hat Linux 7.1 - i386
Red Hat Linux 7.2 - i386, ia64
Red Hat Linux 7.3 - i386
3. Problem description:
The Apache HTTP server is a powerful, full-featured, efficient, and
freely-available Web server.
Ben Laurie found a bug in the optional renegotiation code in mod_ssl
which can cause cipher suite restrictions to be ignored. This is triggered
if optional renegotiation is used (SSLOptions +OptRenegotiate) along with
verification of client certificates and a change to the cipher suite over
the renegotiation. The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the name CAN-2003-0192 to this issue.
Apache does not filter terminal escape sequences from its error logs, which
could make it easier for attackers to insert those sequences into terminal
emulators containing vulnerabilities related to escape sequences. The
Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned
the name CAN-2003-0020 to this issue.
It is possible to get Apache 1.3 to get into an infinite loop handling
internal redirects and nested subrequests. A patch for this issue adds a
new LimitInternalRecursion directive.
All users of the Apache HTTP Web Server are advised to upgrade to the
applicable errata packages, which contain back-ported fixes correcting
these issues.
After the errata packages are installed, restart the Web service by running
the following command:
/sbin/service httpd restart
4. Solution:
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
If up2date fails to connect to Red Hat Network due to SSL Certificate
Errors, you need to install a version of the up2date client with an updated
certificate. The latest version of up2date is available from the Red Hat
FTP site and may also be downloaded directly from the RHN website:
https://rhn.redhat.com/help/latest-up2date.pxt
5. Bug IDs fixed (http://bugzilla.redhat.com/bugzilla for more info):
60281 - OPTIONS no longer respected in init.d/httpd for apache-1.3.22-2
72245 - service httpd reload problem
6. RPMs required:
Red Hat Linux 7.1:
SRPMS:
ftp://updates.redhat.com/7.1/en/os/SRPMS/apache-1.3.27-2.7.1.src.rpm
ftp://updates.redhat.com/7.1/en/os/SRPMS/mod_ssl-2.8.12-2.7.src.rpm
i386:
ftp://updates.redhat.com/7.1/en/os/i386/apache-1.3.27-2.7.1.i386.rpm
ftp://updates.redhat.com/7.1/en/os/i386/apache-devel-1.3.27-2.7.1.i386.rpm
ftp://updates.redhat.com/7.1/en/os/i386/apache-manual-1.3.27-2.7.1.i386.rpm
ftp://updates.redhat.com/7.1/en/os/i386/mod_ssl-2.8.12-2.7.i386.rpm
Red Hat Linux 7.2:
SRPMS:
ftp://updates.redhat.com/7.2/en/os/SRPMS/apache-1.3.27-2.7.2.src.rpm
ftp://updates.redhat.com/7.2/en/os/SRPMS/mod_ssl-2.8.12-3.src.rpm
i386:
ftp://updates.redhat.com/7.2/en/os/i386/apache-1.3.27-2.7.2.i386.rpm
ftp://updates.redhat.com/7.2/en/os/i386/apache-devel-1.3.27-2.7.2.i386.rpm
ftp://updates.redhat.com/7.2/en/os/i386/apache-manual-1.3.27-2.7.2.i386.rpm
ftp://updates.redhat.com/7.2/en/os/i386/mod_ssl-2.8.12-3.i386.rpm
ia64:
ftp://updates.redhat.com/7.2/en/os/ia64/apache-1.3.27-2.7.2.ia64.rpm
ftp://updates.redhat.com/7.2/en/os/ia64/apache-devel-1.3.27-2.7.2.ia64.rpm
ftp://updates.redhat.com/7.2/en/os/ia64/apache-manual-1.3.27-2.7.2.ia64.rpm
ftp://updates.redhat.com/7.2/en/os/ia64/mod_ssl-2.8.12-3.ia64.rpm
Red Hat Linux 7.3:
SRPMS:
ftp://updates.redhat.com/7.3/en/os/SRPMS/apache-1.3.27-3.src.rpm
ftp://updates.redhat.com/7.3/en/os/SRPMS/mod_ssl-2.8.12-3.src.rpm
i386:
ftp://updates.redhat.com/7.3/en/os/i386/apache-1.3.27-3.i386.rpm
ftp://updates.redhat.com/7.3/en/os/i386/apache-devel-1.3.27-3.i386.rpm
ftp://updates.redhat.com/7.3/en/os/i386/apache-manual-1.3.27-3.i386.rpm
ftp://updates.redhat.com/7.3/en/os/i386/mod_ssl-2.8.12-3.i386.rpm
7. Verification:
MD5 sum Package Name
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f197c629453e162ebf1a8a9fa27ab798 7.1/en/os/SRPMS/apache-1.3.27-2.7.1.src.rpm
2bb3043fe65f7e5b4051fa51fa259c9c 7.1/en/os/SRPMS/mod_ssl-2.8.12-2.7.src.rpm
0d64a821ceb6a18ec3c551015ffaecc2 7.1/en/os/i386/apache-1.3.27-2.7.1.i386.rpm
6c0826aa00722236ef84e3fb1d7a3b2d 7.1/en/os/i386/apache-devel-1.3.27-2.7.1.i386.rpm
b542d3e0cb43d4baa70ec564dba2ddf8 7.1/en/os/i386/apache-manual-1.3.27-2.7.1.i386.rpm
a3dff92085849cd597ce65655b048de1 7.1/en/os/i386/mod_ssl-2.8.12-2.7.i386.rpm
acdcd860d21a442da7c87901f8fcacf1 7.2/en/os/SRPMS/apache-1.3.27-2.7.2.src.rpm
b5b4f0f56e6517b8ea1f844e8bbc781d 7.2/en/os/SRPMS/mod_ssl-2.8.12-3.src.rpm
d8d6d8a31e08e93b7e1d7c2c54cdca66 7.2/en/os/i386/apache-1.3.27-2.7.2.i386.rpm
a75457af20ef5ac7f801c16a41c11dd5 7.2/en/os/i386/apache-devel-1.3.27-2.7.2.i386.rpm
f0e4ba3b547a3db09a01cb293d624cb2 7.2/en/os/i386/apache-manual-1.3.27-2.7.2.i386.rpm
5cd0f10d7e8872625183fd6f1c8d6f47 7.2/en/os/i386/mod_ssl-2.8.12-3.i386.rpm
6aa40d6ca82e9943a260e38350101995 7.2/en/os/ia64/apache-1.3.27-2.7.2.ia64.rpm
7df30828fdd2d04320e24e5719665c66 7.2/en/os/ia64/apache-devel-1.3.27-2.7.2.ia64.rpm
00e251842cdf3ba774fee104daf609ed 7.2/en/os/ia64/apache-manual-1.3.27-2.7.2.ia64.rpm
bd71f84c890c80daf587e45a1b782249 7.2/en/os/ia64/mod_ssl-2.8.12-3.ia64.rpm
2e1f774bba76f3dadf3051aa6954413e 7.3/en/os/SRPMS/apache-1.3.27-3.src.rpm
b5b4f0f56e6517b8ea1f844e8bbc781d 7.3/en/os/SRPMS/mod_ssl-2.8.12-3.src.rpm
b4bd3fb8dd33052899f661870c4dad16 7.3/en/os/i386/apache-1.3.27-3.i386.rpm
67c0cc1567568ffdb4857a4049dcc6e7 7.3/en/os/i386/apache-devel-1.3.27-3.i386.rpm
2ada85a57c3c220a082ef8ce23e96bff 7.3/en/os/i386/apache-manual-1.3.27-3.i386.rpm
5cd0f10d7e8872625183fd6f1c8d6f47 7.3/en/os/i386/mod_ssl-2.8.12-3.i386.rpm
These packages are GPG signed by Red Hat for security. Our key is
available from https://www.redhat.com/security/keys.html
You can verify each package with the following command:
rpm --checksig -v <filename>
If you only wish to verify that each package has not been corrupted or
tampered with, examine only the md5sum with the following command:
md5sum <filename>
8. References:
http://www.apacheweek.com/issues/03-07-11#security
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0020
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0192
9. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://www.redhat.com/solutions/security/news/contact.html
Copyright 2003 Red Hat, Inc.
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