Updated ghostscript packages that fix two security issues are now available for Red Hat Enterprise Linux 4. The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores,

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====================================================================                   Red Hat Security Advisory

Synopsis:          Moderate: ghostscript security update
Advisory ID:       RHSA-2012:0096-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2012:0096.html
Issue date:        2012-02-02
CVE Names:         CVE-2010-4054 CVE-2010-4820 
====================================================================
1. Summary:

Updated ghostscript packages that fix two security issues are now available
for Red Hat Enterprise Linux 4.

The Red Hat Security Response Team has rated this update as having moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64

3. Description:

Ghostscript is a set of software that provides a PostScript interpreter, a
set of C procedures (the Ghostscript library, which implements the graphics
capabilities in the PostScript language) and an interpreter for Portable
Document Format (PDF) files.

Ghostscript included the current working directory in its library search
path by default. If a user ran Ghostscript without the "-P-" option in an
attacker-controlled directory containing a specially-crafted PostScript
library file, it could cause Ghostscript to execute arbitrary PostScript
code. With this update, Ghostscript no longer searches the current working
directory for library files by default. (CVE-2010-4820)

Note: The fix for CVE-2010-4820 could possibly break existing
configurations. To use the previous, vulnerable behavior, run Ghostscript
with the "-P" option (to always search the current working directory
first).

A flaw was found in the way Ghostscript interpreted PostScript Type 1 and
PostScript Type 2 font files. An attacker could create a specially-crafted
PostScript Type 1 or PostScript Type 2 font file that, when interpreted,
could cause Ghostscript to crash or, potentially, execute arbitrary code.
(CVE-2010-4054)

Users of Ghostscript are advised to upgrade to these updated packages,
which contain backported patches to correct these issues.

4. Solution:

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/kb/docs/DOC-11259

5. Bugs fixed (http://bugzilla.redhat.com/):

646086 - CVE-2010-4054 ghostscript: glyph data access improper input validation
771853 - CVE-2010-4820 ghostscript: CWD included in the default library search path

6. Package List:

Red Hat Enterprise Linux AS version 4:

Source:

i386:
ghostscript-7.07-33.13.el4.i386.rpm
ghostscript-debuginfo-7.07-33.13.el4.i386.rpm
ghostscript-devel-7.07-33.13.el4.i386.rpm
ghostscript-gtk-7.07-33.13.el4.i386.rpm

ia64:
ghostscript-7.07-33.13.el4.i386.rpm
ghostscript-7.07-33.13.el4.ia64.rpm
ghostscript-debuginfo-7.07-33.13.el4.i386.rpm
ghostscript-debuginfo-7.07-33.13.el4.ia64.rpm
ghostscript-devel-7.07-33.13.el4.ia64.rpm
ghostscript-gtk-7.07-33.13.el4.ia64.rpm

ppc:
ghostscript-7.07-33.13.el4.ppc.rpm
ghostscript-7.07-33.13.el4.ppc64.rpm
ghostscript-debuginfo-7.07-33.13.el4.ppc.rpm
ghostscript-debuginfo-7.07-33.13.el4.ppc64.rpm
ghostscript-devel-7.07-33.13.el4.ppc.rpm
ghostscript-gtk-7.07-33.13.el4.ppc.rpm

s390:
ghostscript-7.07-33.13.el4.s390.rpm
ghostscript-debuginfo-7.07-33.13.el4.s390.rpm
ghostscript-devel-7.07-33.13.el4.s390.rpm
ghostscript-gtk-7.07-33.13.el4.s390.rpm

s390x:
ghostscript-7.07-33.13.el4.s390.rpm
ghostscript-7.07-33.13.el4.s390x.rpm
ghostscript-debuginfo-7.07-33.13.el4.s390.rpm
ghostscript-debuginfo-7.07-33.13.el4.s390x.rpm
ghostscript-devel-7.07-33.13.el4.s390x.rpm
ghostscript-gtk-7.07-33.13.el4.s390x.rpm

x86_64:
ghostscript-7.07-33.13.el4.i386.rpm
ghostscript-7.07-33.13.el4.x86_64.rpm
ghostscript-debuginfo-7.07-33.13.el4.i386.rpm
ghostscript-debuginfo-7.07-33.13.el4.x86_64.rpm
ghostscript-devel-7.07-33.13.el4.x86_64.rpm
ghostscript-gtk-7.07-33.13.el4.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

Source:

i386:
ghostscript-7.07-33.13.el4.i386.rpm
ghostscript-debuginfo-7.07-33.13.el4.i386.rpm
ghostscript-devel-7.07-33.13.el4.i386.rpm
ghostscript-gtk-7.07-33.13.el4.i386.rpm

x86_64:
ghostscript-7.07-33.13.el4.i386.rpm
ghostscript-7.07-33.13.el4.x86_64.rpm
ghostscript-debuginfo-7.07-33.13.el4.i386.rpm
ghostscript-debuginfo-7.07-33.13.el4.x86_64.rpm
ghostscript-devel-7.07-33.13.el4.x86_64.rpm
ghostscript-gtk-7.07-33.13.el4.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

Source:

i386:
ghostscript-7.07-33.13.el4.i386.rpm
ghostscript-debuginfo-7.07-33.13.el4.i386.rpm
ghostscript-devel-7.07-33.13.el4.i386.rpm
ghostscript-gtk-7.07-33.13.el4.i386.rpm

ia64:
ghostscript-7.07-33.13.el4.i386.rpm
ghostscript-7.07-33.13.el4.ia64.rpm
ghostscript-debuginfo-7.07-33.13.el4.i386.rpm
ghostscript-debuginfo-7.07-33.13.el4.ia64.rpm
ghostscript-devel-7.07-33.13.el4.ia64.rpm
ghostscript-gtk-7.07-33.13.el4.ia64.rpm

x86_64:
ghostscript-7.07-33.13.el4.i386.rpm
ghostscript-7.07-33.13.el4.x86_64.rpm
ghostscript-debuginfo-7.07-33.13.el4.i386.rpm
ghostscript-debuginfo-7.07-33.13.el4.x86_64.rpm
ghostscript-devel-7.07-33.13.el4.x86_64.rpm
ghostscript-gtk-7.07-33.13.el4.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

Source:

i386:
ghostscript-7.07-33.13.el4.i386.rpm
ghostscript-debuginfo-7.07-33.13.el4.i386.rpm
ghostscript-devel-7.07-33.13.el4.i386.rpm
ghostscript-gtk-7.07-33.13.el4.i386.rpm

ia64:
ghostscript-7.07-33.13.el4.i386.rpm
ghostscript-7.07-33.13.el4.ia64.rpm
ghostscript-debuginfo-7.07-33.13.el4.i386.rpm
ghostscript-debuginfo-7.07-33.13.el4.ia64.rpm
ghostscript-devel-7.07-33.13.el4.ia64.rpm
ghostscript-gtk-7.07-33.13.el4.ia64.rpm

x86_64:
ghostscript-7.07-33.13.el4.i386.rpm
ghostscript-7.07-33.13.el4.x86_64.rpm
ghostscript-debuginfo-7.07-33.13.el4.i386.rpm
ghostscript-debuginfo-7.07-33.13.el4.x86_64.rpm
ghostscript-devel-7.07-33.13.el4.x86_64.rpm
ghostscript-gtk-7.07-33.13.el4.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and 
details on how to verify the signature are available from
https://access.redhat.com/security/team/key#package

7. References:

https://access.redhat.com/security/cve/CVE-2010-4054
https://access.redhat.com/security/cve/CVE-2010-4820
https://access.redhat.com/security/updates/classification#moderate

8. Contact:

The Red Hat security contact is .  More contact
details at https://access.redhat.com/security/team/contact

Copyright 2012 Red Hat, Inc.
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