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AUSCERT External Security Bulletin Redistribution
ESB-2003.0071 -- RHSA-2003:017-06
Updated PHP packages available
06 February 2003
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AusCERT Security Bulletin Summary
---------------------------------
Product: PHP
Vendor: Red Hat
Operating System: Red Hat Linux 8.0
Linux
Impact: Execute Arbitrary Code/Commands
Denial of Service
Access Required: Remote
Ref: ESB-2002.624
Comment: CVE Id: CAN-2002-1396
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Red Hat, Inc. Red Hat Security Advisory
Synopsis: Updated PHP packages available
Advisory ID: RHSA-2003:017-06
Issue date: 2003-01-21
Updated on: 2003-02-04
Product: Red Hat Linux
Keywords: PHP wordwrap
Cross references:
Obsoletes:
CVE Names: CAN-2002-1396
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1. Topic:
Updated PHP packages are available that fix a vulnerability in the
wordwrap() function and a number of compatibility bugs.
2. Relevant releases/architectures:
Red Hat Linux 8.0 - i386
3. Problem description:
PHP is an HTML-embedded scripting language commonly used with the Apache
HTTP server.
A heap-based buffer overflow was found in the wordwrap() function in PHP
versions after 4.1.2 and before 4.3.0. If wordwrap() is used on
user-supplied input this could allow remote attackers to cause a denial of
service or execute arbitrary code.
Red Hat Linux 8.0 shipped with a version of PHP that was vulnerable to this
issue. Other Red Hat Linux distributions shipped with an earlier version
of PHP and are not vulnerable to this issue.
In addition, a number of compatiblity bugs have also been found between PHP
4.2 and Apache 2.0.
All users of PHP are advised to upgrade to these erratum packages which
contain a patch to correct these issues.
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.
5. Bug IDs fixed (http://bugzilla.redhat.com/bugzilla for more info):
74396 - safe mode not working in php-4.2.2-8.0.5
75029 - PHP with Apache 2.0: getlastmod function fails
75712 - php4 with apache 2, getenv(ANYTHING) returns blank string
75878 - Apache caches requests by default, or there is some bug around.
78586 - Invalid command php_flag
6. RPMs required:
Red Hat Linux 8.0:
SRPMS:
ftp://updates.redhat.com/8.0/en/os/SRPMS/php-4.2.2-8.0.7.src.rpm
i386:
ftp://updates.redhat.com/8.0/en/os/i386/php-4.2.2-8.0.7.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/php-devel-4.2.2-8.0.7.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/php-imap-4.2.2-8.0.7.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/php-ldap-4.2.2-8.0.7.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/php-manual-4.2.2-8.0.7.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/php-mysql-4.2.2-8.0.7.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/php-pgsql-4.2.2-8.0.7.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/php-odbc-4.2.2-8.0.7.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/php-snmp-4.2.2-8.0.7.i386.rpm
7. Verification:
MD5 sum Package Name
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6142b2ac0eb22a2f6b33724ab5f40c72 8.0/en/os/SRPMS/php-4.2.2-8.0.7.src.rpm
ee10926c45bf9fb9cdd3694700662711 8.0/en/os/i386/php-4.2.2-8.0.7.i386.rpm
370779db08cf8f7f8346b516fc4ebbde 8.0/en/os/i386/php-devel-4.2.2-8.0.7.i386.rpm
ce94c1398ec3e5a2edc4455e4949da70 8.0/en/os/i386/php-imap-4.2.2-8.0.7.i386.rpm
5a7ecb7ce8ceb67ca53f1daa15488957 8.0/en/os/i386/php-ldap-4.2.2-8.0.7.i386.rpm
d7d2b4aeac657ea17d5d4a3a9f72eb51 8.0/en/os/i386/php-manual-4.2.2-8.0.7.i386.rpm
5174df281714e3bf550d5697df326be4 8.0/en/os/i386/php-mysql-4.2.2-8.0.7.i386.rpm
ed2a793624ad2869da4c09f38d88bb75 8.0/en/os/i386/php-odbc-4.2.2-8.0.7.i386.rpm
dd19149ccecab409296cdb7feaf8dd2e 8.0/en/os/i386/php-pgsql-4.2.2-8.0.7.i386.rpm
d7b8bdc55e9cc453f1639f1c34c118ef 8.0/en/os/i386/php-snmp-4.2.2-8.0.7.i386.rpm
These packages are GPG signed by Red Hat, Inc. for security. Our key
is available at http://www.redhat.com/about/contact/pgpkey.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://marc.theaimsgroup.com/?l=bugtraq&m=104102689503192
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1396
9. Contact:
The Red Hat security contact is <security@redhat.com>. More contact
details at http://www.redhat.com/solutions/security/news/contact.html
Copyright 2003 Red Hat, Inc.
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