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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2012:0095
Summary:Redhat Security Advisory RHSA-2012:0095
Description:The remote host is missing updates announced in
advisory RHSA-2012:0095.

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.

An integer overflow flaw was found in Ghostscript's TrueType bytecode
interpreter. An attacker could create a specially-crafted PostScript or PDF
file that, when interpreted, could cause Ghostscript to crash or,
potentially, execute arbitrary code. (CVE-2009-3743)

It was found that Ghostscript always tried to read Ghostscript system
initialization files from the current working directory before checking
other directories, even if a search path that did not contain the current
working directory was specified with the -I option, or the -P- option
was used (to prevent the current working directory being searched first).
If a user ran Ghostscript in an attacker-controlled directory containing a
system initialization file, it could cause Ghostscript to execute arbitrary
PostScript code. (CVE-2010-2055)

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

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.

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

Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date


Risk factor : Medium
Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2009-3743
Bugtraq: 20101125 TSSA-2010-01 Ghostscript library Ins_MINDEX() integer overflow and heap corruption (Google Search)
CERT/CC vulnerability note: VU#644319
Common Vulnerability Exposure (CVE) ID: CVE-2010-2055
Bugtraq: 20100522 Ghostscript 8.64 executes random code at startup (Google Search)
Bugtraq: 20100526 Re: Ghostscript 8.64 executes random code at startup (Google Search)
SuSE Security Announcement: SUSE-SR:2010:014 (Google Search)
Common Vulnerability Exposure (CVE) ID: CVE-2010-4054
CERT/CC vulnerability note: VU#538191
Common Vulnerability Exposure (CVE) ID: CVE-2010-4820
CopyrightCopyright (c) 2012 E-Soft Inc. http://www.securityspace.com

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