7803570 2002-01-14 11:18 -0500 /156 rader/ <redhat-announce-list-admin@redhat.com>
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Ärende: [RHSA-2002:004-06] New groff packages available to fix security problems
------------------------------------------------------------
---------------------------------------------------------------------
Red Hat, Inc. Red Hat Security Advisory
Synopsis: New groff packages available to fix security problems
Advisory ID: RHSA-2002:004-06
Issue date: 2002-01-07
Updated on: 2002-01-14
Product: Red Hat Linux
Keywords: groff security
Cross references:
Obsoletes:
---------------------------------------------------------------------
1. Topic:
New groff packages have been made available that fix an overflow in
groff. If the printing system running this is a security issue, it
is recommended to update to the new, fixed packages.
2. Relevant releases/architectures:
Red Hat Linux 7.0 - alpha, i386
Red Hat Linux 7.1 - alpha, i386, ia64
Red Hat Linux 7.2 - i386, ia64
3. Problem description:
Groff is a document formatting system. The groff preprocessor
contains an exploitable buffer overflow. If groff can be invoked
within the LPRng printing system, an attacker can gain rights as the
"lp" user.
Remote exploitation may be possible if lpd is running and is accessible
remotely, and the attacker knows the name of the printer and spoolfile.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CAN-2002-0003 to this issue.
Thanks to zen-parse for bringing this bug to our attention.
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):
6. RPMs required:
Red Hat Linux 7.0:
SRPMS:
ftp://updates.redhat.com/7.0/en/os/SRPMS/groff-1.16-7.1.src.rpm
alpha:
ftp://updates.redhat.com/7.0/en/os/alpha/groff-1.16-7.1.alpha.rpm
i386:
ftp://updates.redhat.com/7.0/en/os/i386/groff-1.16-7.1.i386.rpm
Red Hat Linux 7.1:
SRPMS:
ftp://updates.redhat.com/7.1/en/os/SRPMS/groff-1.17.2-7.0.2.src.rpm
alpha:
ftp://updates.redhat.com/7.1/en/os/alpha/groff-1.17.2-7.0.2.alpha.rpm
i386:
ftp://updates.redhat.com/7.1/en/os/i386/groff-1.17.2-7.0.2.i386.rpm
ia64:
ftp://updates.redhat.com/7.1/en/os/ia64/groff-1.17.2-7.0.2.ia64.rpm
Red Hat Linux 7.2:
SRPMS:
ftp://updates.redhat.com/7.2/en/os/SRPMS/groff-1.17.2-7.0.2.src.rpm
i386:
ftp://updates.redhat.com/7.2/en/os/i386/groff-1.17.2-7.0.2.i386.rpm
ia64:
ftp://updates.redhat.com/7.2/en/os/ia64/groff-1.17.2-7.0.2.ia64.rpm
7. Verification:
MD5 sum Package Name
--------------------------------------------------------------------------
4fe878d0720088830c29954d25c9e032 7.0/en/os/SRPMS/groff-1.16-7.1.src.rpm
b37f80ae0a4e6ad49b3d697376cfdde2 7.0/en/os/alpha/groff-1.16-7.1.alpha.rpm
6e7cfc9cf998ac9a6a6401d627acdea4 7.0/en/os/i386/groff-1.16-7.1.i386.rpm
1d4e9b5068fcf178ddacf032c0db523d 7.1/en/os/SRPMS/groff-1.17.2-7.0.2.src.rpm
93cbf905335c1474ed9e632c0ec83738 7.1/en/os/alpha/groff-1.17.2-7.0.2.alpha.rpm
f3181dd6c32ffc9478721244b77c89af 7.1/en/os/i386/groff-1.17.2-7.0.2.i386.rpm
4f08644532e54b8c3553b04148424e56 7.1/en/os/ia64/groff-1.17.2-7.0.2.ia64.rpm
1d4e9b5068fcf178ddacf032c0db523d 7.2/en/os/SRPMS/groff-1.17.2-7.0.2.src.rpm
f3181dd6c32ffc9478721244b77c89af 7.2/en/os/i386/groff-1.17.2-7.0.2.i386.rpm
4f08644532e54b8c3553b04148424e56 7.2/en/os/ia64/groff-1.17.2-7.0.2.ia64.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 <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:
rpm --checksig --nogpg <filename>
8. References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0003
Copyright(c) 2000, 2001, 2002 Red Hat, Inc.
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(7803570) / <redhat-announce-list-admin@redhat.com>/(Ombruten)
Kommentar i text 7823680 av Colin Watson <cjwatson@debian.org>
7823680 2002-01-16 05:47 +0000 /32 rader/ Colin Watson <cjwatson@debian.org>
Sänt av: joel@lysator.liu.se
Importerad: 2002-01-17 01:23 av Brevbäraren
Extern mottagare: bugtraq@securityfocus.com
Mottagare: Bugtraq (import) <20565>
Kommentar till text 7803570 av <redhat-announce-list-admin@redhat.com>
Ärende: Re: [RHSA-2002:004-06] New groff packages available to fix security problems
------------------------------------------------------------
From: Colin Watson <cjwatson@debian.org>
To: bugtraq@securityfocus.com
Message-ID: <20020116054731.GA14173@arborlon.riva.ucam.org>
On Wed, Jan 16, 2002 at 05:18:41AM +0000, bugzilla@redhat.com wrote:
> Synopsis: New groff packages available to fix security problems
> Advisory ID: RHSA-2002:004-06
> Issue date: 2002-01-07
> Updated on: 2002-01-14
> Product: Red Hat Linux
> Keywords: groff security
[...]
> Groff is a document formatting system. The groff preprocessor contains an
> exploitable buffer overflow. If groff can be invoked within the LPRng
> printing system, an attacker can gain rights as the "lp" user.
This problem does not affect the stable release of Debian, as the
version of groff in Debian 2.2 did not contain the grn preprocessor to
which this advisory applies. Thus I don't believe we'll be issuing an
official advisory.
The bug did affect both the testing and unstable distributions of
Debian, and is fixed in groff 1.17.2-15 in unstable. This package will
propagate into testing in a few days, once binary packages for
architectures other than i386 have been prepared.
Regards,
--
Colin Watson, Debian groff maintainer [cjwatson@flatline.org.uk]
(7823680) /Colin Watson <cjwatson@debian.org>/------
Bilaga (application/pgp-signature) i text 7823681
7823681 2002-01-16 05:47 +0000 /10 rader/ Colin Watson <cjwatson@debian.org>
Importerad: 2002-01-17 01:23 av Brevbäraren
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Bilaga (text/plain) till text 7823680
Ärende: Bilaga till: Re: [RHSA-2002:004-06] New groff packages available to fix security problems
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