[FLSA-2005:152892] Updated enscript package fixes security issues

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               Fedora Legacy Update Advisory

Synopsis:          Updated enscript package fixes security issues
Advisory ID:       FLSA:152892
Issue date:        2005-12-17
Product:           Red Hat Linux, Fedora Core
Keywords:          Bugfix
CVE Names:         CVE-2004-1184 CVE-2004-1185 CVE-2004-1186
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1. Topic:

An updated enscript package that fixes several security issues is now
available.

GNU enscript converts ASCII files to PostScript.

2. Relevant releases/architectures:

Red Hat Linux 7.3 - i386
Red Hat Linux 9 - i386
Fedora Core 1 - i386

3. Problem description:

Enscript has the ability to interpret special escape sequences. A flaw
was found in the handling of the epsf command used to insert inline EPS
files into a document. An attacker could create a carefully crafted
ASCII file which made use of the epsf pipe command in such a way that it
could execute arbitrary commands if the file was opened with enscript by
a victim. The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the name CVE-2004-1184 to this issue.

Additional flaws in Enscript were also discovered which can only be
triggered by executing enscript with carefully crafted command line
arguments. These flaws therefore only have a security impact if enscript
is executed by other programs and passed untrusted data from remote
users. The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the names CVE-2004-1185 and CVE-2004-1186 to these issues.

All users of enscript should upgrade to these updated packages, which
resolve 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 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=152892

6. RPMs required:

Red Hat Linux 7.3:
SRPM:
http://download.fedoralegacy.org/redhat/7.3/updates/SRPMS/enscript-1.6.1-19.73.2.legacy.src.rpm

i386:
http://download.fedoralegacy.org/redhat/7.3/updates/i386/enscript-1.6.1-19.73.2.legacy.i386.rpm

Red Hat Linux 9:

SRPM:
http://download.fedoralegacy.org/redhat/9/updates/SRPMS/enscript-1.6.1-24.2.legacy.src.rpm

i386:
http://download.fedoralegacy.org/redhat/9/updates/i386/enscript-1.6.1-24.2.legacy.i386.rpm

Fedora Core 1:

SRPM:
http://download.fedoralegacy.org/fedora/1/updates/SRPMS/enscript-1.6.1-25.1.1.legacy.src.rpm

i386:
http://download.fedoralegacy.org/fedora/1/updates/i386/enscript-1.6.1-25.1.1.legacy.i386.rpm


7. Verification:

SHA1 sum                                 Package Name
---------------------------------------------------------------------

ac29cc61b638a8a4a6e70642a48d4d4e7985a94c
redhat/7.3/updates/i386/enscript-1.6.1-19.73.2.legacy.i386.rpm
2cc05a10d33fb0bd13cad08ae622cebbbf94ada6
redhat/7.3/updates/SRPMS/enscript-1.6.1-19.73.2.legacy.src.rpm
275eecbd654c9cc15b17e65a2c60cff8c5ec6f58
redhat/9/updates/i386/enscript-1.6.1-24.2.legacy.i386.rpm
ed838a6c0f4235c789a872e880ddc5aff2d0e457
redhat/9/updates/SRPMS/enscript-1.6.1-24.2.legacy.src.rpm
f1de9a957caa34766434ea5e77ad31d49ee769dd
fedora/1/updates/i386/enscript-1.6.1-25.1.1.legacy.i386.rpm
f73d7da391cadf7d033dfe21979fb2ae10477fc6
fedora/1/updates/SRPMS/enscript-1.6.1-25.1.1.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-2004-1184
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1185
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1186

9. Contact:

The Fedora Legacy security contact is <secnotice@xxxxxxxxxxxxxxxx>. More
project details at http://www.fedoralegacy.org

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