Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Titleghostscript security update
Informations
NameRHSA-2012:0095First vendor Publication2012-02-02
VendorRedHatLast vendor Modification2012-02-02
Severity (Vendor) ModerateRevision01

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:C/I:C/A:C)
Cvss Base Score9.3Attack RangeNetwork
Cvss Impact Score10Attack ComplexityMedium
Cvss Expoit Score8.6AuthenticationNone Required
Calculate full CVSS 2.0 Vectors scores

Detail

Problem Description:

Updated ghostscript packages that fix multiple security issues are now available for Red Hat Enterprise Linux 5 and 6.

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:

RHEL Desktop Workstation (v. 5 client) - i386, x86_64 Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64 Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64 Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64 Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64 Red Hat Enterprise Linux HPC Node (v. 6) - x86_64 Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64 Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, 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.

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 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/):

599564 - CVE-2010-2055 ghostscript: gs_init.ps searched in current directory despite -P- 627902 - CVE-2009-3743 ghostscript: TrueType bytecode intepreter integer overflow or wraparound 646086 - CVE-2010-4054 ghostscript: glyph data access improper input validation 771853 - CVE-2010-4820 ghostscript: CWD included in the default library search path

Original Source

Url : https://rhn.redhat.com/errata/RHSA-2012-0095.html

CWE : Common Weakness Enumeration

idName
CWE-189Numeric Errors (CWE/SANS Top 25)
CWE-119Failure to Constrain Operations within the Bounds of a Memory Buffer
CWE-94Failure to Control Generation of Code ('Code Injection')

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:20914
 
Oval ID: oval:org.mitre.oval:def:20914
Title: RHSA-2012:0095: ghostscript security update (Moderate)
Description: ** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.
Family: unix Class: patch
Reference(s): RHSA-2012:0095-01
CESA-2012:0095
CVE-2009-3743
CVE-2010-2055
CVE-2010-4054
CVE-2010-4820
Version: 55
Platform(s): Red Hat Enterprise Linux 5
Red Hat Enterprise Linux 6
CentOS Linux 5
CentOS Linux 6
Product(s): ghostscript
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:23156
 
Oval ID: oval:org.mitre.oval:def:23156
Title: ELSA-2012:0095: ghostscript security update (Moderate)
Description: ** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.
Family: unix Class: patch
Reference(s): ELSA-2012:0095-01
CVE-2009-3743
CVE-2010-2055
CVE-2010-4054
CVE-2010-4820
Version: 21
Platform(s): Oracle Linux 5
Oracle Linux 6
Product(s): ghostscript
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:23112
 
Oval ID: oval:org.mitre.oval:def:23112
Title: DEPRECATED: ELSA-2012:0095: ghostscript security update (Moderate)
Description: ** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.
Family: unix Class: patch
Reference(s): ELSA-2012:0095-01
CVE-2009-3743
CVE-2010-2055
CVE-2010-4054
CVE-2010-4820
Version: 22
Platform(s): Oracle Linux 5
Oracle Linux 6
Product(s): ghostscript
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:27659
 
Oval ID: oval:org.mitre.oval:def:27659
Title: ELSA-2012-0095 -- ghostscript security update (moderate)
Description: [8.70-11:.6] - Applied upstream fix to last patch (CVE-2010-4054, bug #646086). [8.70-11:.5] - Applied patch to prevent null pointer dereference (CVE-2010-4054, bug #646086). [8.70-11:.4] - Don't ship patch backup files for CVE-2010-2055. [8.70-11:.3] - Applied patch to prevent integer underflow in TrueType bytecode interpreter (CVE-2009-3743, bug #627902). - Applied patch to avoid reading initialization files from CWD (CVE-2010-2055, bug #599564).
Family: unix Class: patch
Reference(s): ELSA-2012-0095
CVE-2009-3743
CVE-2010-2055
CVE-2010-4054
CVE-2010-4820
Version: 3
Platform(s): Oracle Linux 5
Oracle Linux 6
Product(s): ghostscript
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application17
Application2
Application14
Application1

OpenVAS Exploits

DateDescription
2012-07-30Name : CentOS Update for ghostscript CESA-2012:0095 centos5
File : nvt/gb_CESA-2012_0095_ghostscript_centos5.nasl
2012-07-30Name : CentOS Update for ghostscript CESA-2012:0095 centos6
File : nvt/gb_CESA-2012_0095_ghostscript_centos6.nasl
2012-07-30Name : CentOS Update for ghostscript CESA-2012:0096 centos4
File : nvt/gb_CESA-2012_0096_ghostscript_centos4.nasl
2012-02-03Name : RedHat Update for ghostscript RHSA-2012:0095-01
File : nvt/gb_RHSA-2012_0095-01_ghostscript.nasl
2012-02-03Name : RedHat Update for ghostscript RHSA-2012:0096-01
File : nvt/gb_RHSA-2012_0096-01_ghostscript.nasl
2012-01-09Name : Ubuntu Update for ghostscript USN-1317-1
File : nvt/gb_ubuntu_USN_1317_1.nasl
2010-12-02Name : Fedora Update for ghostscript FEDORA-2010-14549
File : nvt/gb_fedora_2010_14549_ghostscript_fc14.nasl
2010-10-19Name : Fedora Update for ghostscript FEDORA-2010-14633
File : nvt/gb_fedora_2010_14633_ghostscript_fc12.nasl
2010-10-19Name : Fedora Update for ghostscript FEDORA-2010-14640
File : nvt/gb_fedora_2010_14640_ghostscript_fc13.nasl
2010-09-08Name : Ghostscript Arbitrary Code Execution Vulnerability
File : nvt/gb_ghostscript_code_exec_vuln.nasl
2010-07-26Name : Ghostscript Arbitrary Command Execution Vulnerability
File : nvt/gb_ghostscript_cmd_exec_vuln.nasl
2010-07-12Name : Fedora Update for gv FEDORA-2010-10642
File : nvt/gb_fedora_2010_10642_gv_fc13.nasl
2010-07-12Name : Fedora Update for gv FEDORA-2010-10660
File : nvt/gb_fedora_2010_10660_gv_fc12.nasl

Open Source Vulnerability Database (OSVDB)

idDescription
69213Ghostscript gs_type2_interpret Function Compressed Data Stream Crafted Font D...
67708Ghostscript TrueType Bytecode Interpreter Off-by-one Memory Corruption
66247Ghostscript -P- Command Line Option Arbitrary Postscript Command Execution

Nessus® Vulnerability Scanner

DateDescription
2014-12-15Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201412-17.nasl - Type : ACT_GATHER_INFO
2014-06-13Name : The remote openSUSE host is missing a security update.
File : suse_11_3_ghostscript-devel-100714.nasl - Type : ACT_GATHER_INFO
2013-09-04Name : The remote Amazon Linux AMI host is missing a security update.
File : ala_ALAS-2012-42.nasl - Type : ACT_GATHER_INFO
2013-07-12Name : The remote Oracle Linux host is missing one or more security updates.
File : oraclelinux_ELSA-2012-0095.nasl - Type : ACT_GATHER_INFO
2013-07-12Name : The remote Oracle Linux host is missing one or more security updates.
File : oraclelinux_ELSA-2012-0096.nasl - Type : ACT_GATHER_INFO
2012-08-01Name : The remote Scientific Linux host is missing one or more security updates.
File : sl_20120202_ghostscript_on_SL4_x.nasl - Type : ACT_GATHER_INFO
2012-08-01Name : The remote Scientific Linux host is missing one or more security updates.
File : sl_20120202_ghostscript_on_SL5_x.nasl - Type : ACT_GATHER_INFO
2012-04-19Name : The remote SuSE 10 host is missing a security-related patch.
File : suse_ghostscript-fonts-other-8063.nasl - Type : ACT_GATHER_INFO
2012-02-03Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2012-0095.nasl - Type : ACT_GATHER_INFO
2012-02-03Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2012-0096.nasl - Type : ACT_GATHER_INFO
2012-02-03Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2012-0095.nasl - Type : ACT_GATHER_INFO
2012-02-03Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2012-0096.nasl - Type : ACT_GATHER_INFO
2012-01-05Name : The remote Ubuntu host is missing a security-related patch.
File : ubuntu_USN-1317-1.nasl - Type : ACT_GATHER_INFO
2010-12-02Name : The remote SuSE 11 host is missing one or more security updates.
File : suse_11_ghostscript-devel-100712.nasl - Type : ACT_GATHER_INFO
2010-10-15Name : The remote Fedora host is missing a security update.
File : fedora_2010-14633.nasl - Type : ACT_GATHER_INFO
2010-10-12Name : The remote Fedora host is missing a security update.
File : fedora_2010-14549.nasl - Type : ACT_GATHER_INFO
2010-10-12Name : The remote Fedora host is missing a security update.
File : fedora_2010-14640.nasl - Type : ACT_GATHER_INFO
2010-08-03Name : The remote openSUSE host is missing a security update.
File : suse_11_1_ghostscript-devel-100712.nasl - Type : ACT_GATHER_INFO
2010-08-03Name : The remote openSUSE host is missing a security update.
File : suse_11_2_ghostscript-devel-100712.nasl - Type : ACT_GATHER_INFO
2010-07-23Name : The remote openSUSE host is missing a security update.
File : suse_11_0_ghostscript-devel-100712.nasl - Type : ACT_GATHER_INFO
2010-07-09Name : The remote Fedora host is missing a security update.
File : fedora_2010-10642.nasl - Type : ACT_GATHER_INFO
2010-07-09Name : The remote Fedora host is missing a security update.
File : fedora_2010-10660.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
DateInformations
2014-10-27 09:28:59
  • Multiple Updates
2014-02-17 11:55:35
  • Multiple Updates