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Fedora Legacy Update Advisory
Synopsis: Updated pcre packages fix a security issue
Advisory ID: FLSA:168516
Issue date: 2006-03-07
Product: Red Hat Linux, Fedora Core
Keywords: Bugfix
CVE Names: CVE-2005-2491
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1. Topic:
Updated pcre packages are now available to correct a security issue.
PCRE is a Perl-compatible regular expression library.
2. Relevant releases/architectures:
Red Hat Linux 7.3 - i386
Red Hat Linux 9 - i386
Fedora Core 1 - i386
Fedora Core 2 - i386
3. Problem description:
An integer overflow flaw was found in PCRE, triggered by a maliciously
crafted regular expression. On systems that accept arbitrary regular
expressions from untrusted users, this could be exploited to execute
arbitrary code with the privileges of the application using the library.
The Common Vulnerabilities and Exposures project assigned the name
CVE-2005-2491 to this issue.
Users should update to these erratum packages that contain a backported
patch to correct this issue.
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 yum and apt. Many
people find this an easier way to apply updates. To use yum issue:
yum update
or to use apt:
apt-get update; apt-get upgrade
This will start an interactive process that will result in the
appropriate RPMs being upgraded on your system. This assumes that you
have yum or apt-get configured for obtaining Fedora Legacy content.
Please visit http://www.fedoralegacy.org/docs for directions on how to
configure yum and apt-get.
5. Bug IDs fixed:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=168516
6. RPMs required:
Red Hat Linux 7.3:
SRPM:
http://download.fedoralegacy.org/redhat/7.3/updates/SRPMS/pcre-3.9-2.1.legacy.src.rpm
i386:
http://download.fedoralegacy.org/redhat/7.3/updates/i386/pcre-3.9-2.1.legacy.i386.rpm
http://download.fedoralegacy.org/redhat/7.3/updates/i386/pcre-devel-3.9-2.1.legacy.i386.rpm
Red Hat Linux 9:
SRPM:
http://download.fedoralegacy.org/redhat/9/updates/SRPMS/pcre-3.9-10.1.legacy.src.rpm
i386:
http://download.fedoralegacy.org/redhat/9/updates/i386/pcre-3.9-10.1.legacy.i386.rpm
http://download.fedoralegacy.org/redhat/9/updates/i386/pcre-devel-3.9-10.1.legacy.i386.rpm
Fedora Core 1:
SRPM:
http://download.fedoralegacy.org/fedora/1/updates/SRPMS/pcre-4.4-1.2.legacy.src.rpm
i386:
http://download.fedoralegacy.org/fedora/1/updates/i386/pcre-4.4-1.2.legacy.i386.rpm
http://download.fedoralegacy.org/fedora/1/updates/i386/pcre-devel-4.4-1.2.legacy.i386.rpm
Fedora Core 2:
SRPM:
http://download.fedoralegacy.org/fedora/2/updates/SRPMS/pcre-4.5-2.2.legacy.src.rpm
i386:
http://download.fedoralegacy.org/fedora/2/updates/i386/pcre-4.5-2.2.legacy.i386.rpm
http://download.fedoralegacy.org/fedora/2/updates/i386/pcre-devel-4.5-2.2.legacy.i386.rpm
7. Verification:
SHA1 sum Package Name
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9b641aa989639c706065bafc146d34bb6e282a22
redhat/7.3/updates/i386/pcre-3.9-2.1.legacy.i386.rpm
7d8b094083c7a85991d194d6741a0a664204a19d
redhat/7.3/updates/i386/pcre-devel-3.9-2.1.legacy.i386.rpm
9a49145385042483532254fb5d05fae6c3f252f3
redhat/7.3/updates/SRPMS/pcre-3.9-2.1.legacy.src.rpm
d876a7f4cdb3a936b2f72fb629fae928d3db6e96
redhat/9/updates/i386/pcre-3.9-10.1.legacy.i386.rpm
9e516b5e44944b25a47171b15c0229423b10f99d
redhat/9/updates/i386/pcre-devel-3.9-10.1.legacy.i386.rpm
55de51292b97aacbad6c375b4ad8578561ac5fe3
redhat/9/updates/SRPMS/pcre-3.9-10.1.legacy.src.rpm
4edc206f1e0fc0c3df459b6f8de289f27417974b
fedora/1/updates/i386/pcre-4.4-1.2.legacy.i386.rpm
0fcc5801dc238bb1fac0d59b8403e6cdcc72f126
fedora/1/updates/i386/pcre-devel-4.4-1.2.legacy.i386.rpm
57b3a2c5c2bb3435d3c7971daf29c665fb2c1687
fedora/1/updates/SRPMS/pcre-4.4-1.2.legacy.src.rpm
bff4b330e8c9a76262020c7ddb2b48f71bf01788
fedora/2/updates/i386/pcre-4.5-2.2.legacy.i386.rpm
8354926500e18905dd94dddc1e6bf44cd236df68
fedora/2/updates/i386/pcre-devel-4.5-2.2.legacy.i386.rpm
9f43e7d484412d93734dfe4b08f87d2ef133100a
fedora/2/updates/SRPMS/pcre-4.5-2.2.legacy.src.rpm
These packages are GPG signed by Fedora Legacy for security. Our key is
available from http://www.fedoralegacy.org/about/security.php
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 sha1sum with the following command:
sha1sum <filename>
8. References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2491
9. Contact:
The Fedora Legacy security contact is <secnotice@xxxxxxxxxxxxxxxx>. More
project details at http://www.fedoralegacy.org
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