ID CVE-2006-0747
Summary Integer underflow in Freetype before 2.2 allows remote attackers to cause a denial of service (crash) via a font file with an odd number of blue values, which causes the underflow when decrementing by 2 in a context that assumes an even number of values.
References
Vulnerable Configurations
  • FreeType 2.1
    cpe:2.3:a:freetype:freetype:2.1
CVSS
Base: 5.0 (as of 24-05-2006 - 10:08)
Impact:
Exploitability:
CWE CWE-189
CAPEC
Access
VectorComplexityAuthentication
NETWORK LOW NONE
Impact
ConfidentialityIntegrityAvailability
NONE NONE PARTIAL
exploit-db via4
description FreeType TTF File Remote Buffer Overflow Vulnerability. CVE-2006-0747. Remote exploit for unix platform
id EDB-ID:27992
last seen 2016-02-03
modified 2006-06-08
published 2006-06-08
reporter Josh Bressers
source https://www.exploit-db.com/download/27992/
title FreeType TTF File Remote Buffer Overflow Vulnerability
nessus via4
  • NASL family CentOS Local Security Checks
    NASL id CENTOS_RHSA-2006-0500.NASL
    description Updated freetype packages that fix several security flaws are now available for Red Hat Enterprise Linux. This update has been rated as having moderate security impact by the Red Hat Security Response Team. FreeType is a free, high-quality, and portable font engine. Chris Evans discovered several integer underflow and overflow flaws in the FreeType font engine. If a user loads a carefully crafted font file with a program linked against FreeType, it could cause the application to crash or execute arbitrary code as the user. While it is uncommon for a user to explicitly load a font file, there are several application file formats which contain embedded fonts that are parsed by FreeType. (CVE-2006-0747, CVE-2006-1861, CVE-2006-3467) A NULL pointer dereference flaw was found in the FreeType font engine. An application linked against FreeType can crash upon loading a malformed font file. (CVE-2006-2661) Users of FreeType should upgrade to these updated packages, which contain backported patches to correct these issues.
    last seen 2019-02-21
    modified 2018-11-10
    plugin id 22064
    published 2006-07-19
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=22064
    title CentOS 3 / 4 : freetype (CESA-2006:0500)
  • NASL family Red Hat Local Security Checks
    NASL id REDHAT-RHSA-2006-0500.NASL
    description Updated freetype packages that fix several security flaws are now available for Red Hat Enterprise Linux. This update has been rated as having moderate security impact by the Red Hat Security Response Team. FreeType is a free, high-quality, and portable font engine. Chris Evans discovered several integer underflow and overflow flaws in the FreeType font engine. If a user loads a carefully crafted font file with a program linked against FreeType, it could cause the application to crash or execute arbitrary code as the user. While it is uncommon for a user to explicitly load a font file, there are several application file formats which contain embedded fonts that are parsed by FreeType. (CVE-2006-0747, CVE-2006-1861, CVE-2006-3467) A NULL pointer dereference flaw was found in the FreeType font engine. An application linked against FreeType can crash upon loading a malformed font file. (CVE-2006-2661) Users of FreeType should upgrade to these updated packages, which contain backported patches to correct these issues.
    last seen 2019-02-21
    modified 2018-11-16
    plugin id 22068
    published 2006-07-19
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=22068
    title RHEL 2.1 / 3 / 4 : freetype (RHSA-2006:0500)
  • NASL family MacOS X Local Security Checks
    NASL id MACOSX_SECUPD2009-002.NASL
    description The remote host is running a version of Mac OS X 10.4 that does not have Security Update 2009-002 applied. This security update contains fixes for the following products : - Apache - ATS - BIND - CoreGraphics - Cscope - CUPS - Disk Images - enscript - Flash Player plug-in - Help Viewer - IPSec - Kerberos - Launch Services - libxml - Net-SNMP - Network Time - OpenSSL - QuickDraw Manager - Spotlight - system_cmds - telnet - Terminal - X11
    last seen 2019-02-21
    modified 2018-07-14
    plugin id 38743
    published 2009-05-13
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=38743
    title Mac OS X Multiple Vulnerabilities (Security Update 2009-002)
  • NASL family SuSE Local Security Checks
    NASL id SUSE_FREETYPE2-1608.NASL
    description Fixes for: CVE-2006-0747, CVE-2006-1054, CVE-2006-1861, CVE-2006-2493, CVE-2006-2661. This patch fixes a few integer overflows in freetype 2. Without this patch it is possible to create font files which make freetype 2 crash.
    last seen 2019-02-21
    modified 2018-07-19
    plugin id 27224
    published 2007-10-17
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=27224
    title openSUSE 10 Security Update : freetype2 (freetype2-1608)
  • NASL family Ubuntu Local Security Checks
    NASL id UBUNTU_USN-291-1.NASL
    description Several integer overflows have been discovered in the FreeType library. By tricking a user into installing and/or opening a specially crafted font file, these could be exploited to execute arbitrary code with the privileges of that user. Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen 2019-02-21
    modified 2018-12-01
    plugin id 27863
    published 2007-11-10
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=27863
    title Ubuntu 5.04 / 5.10 / 6.06 LTS : freetype vulnerabilities (USN-291-1)
  • NASL family Mandriva Local Security Checks
    NASL id MANDRAKE_MDKSA-2006-099.NASL
    description Integer underflow in Freetype before 2.2 allows remote attackers to cause a denial of service (crash) via a font file with an odd number of blue values, which causes the underflow when decrementing by 2 in a context that assumes an even number of values. (CVE-2006-0747) Multiple integer overflows in FreeType before 2.2 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via attack vectors related to (1) bdf/bdflib.c, (2) sfnt/ttcmap.c, (3) cff/cffgload.c, and (4) the read_lwfn function and a crafted LWFN file in base/ftmac.c. (CVE-2006-1861) Ftutil.c in Freetype before 2.2 allows remote attackers to cause a denial of service (crash) via a crafted font file that triggers a null dereference. (CVE-2006-2661) In addition, a patch is applied to 2.1.10 in Mandriva 2006 to fix a serious bug in ttkern.c that caused some programs to go into an infinite loop when dealing with fonts that don't have a properly sorted kerning sub-table. This patch is not applicable to the earlier Mandriva releases. Update : The previous update introduced some issues with other applications and libraries linked to libfreetype, that were missed in testing for the vulnerability issues. The new packages correct these issues.
    last seen 2019-02-21
    modified 2018-07-19
    plugin id 21715
    published 2006-06-16
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=21715
    title Mandrake Linux Security Advisory : freetype2 (MDKSA-2006:099-1)
  • NASL family Debian Local Security Checks
    NASL id DEBIAN_DSA-1095.NASL
    description Several problems have been discovered in the FreeType 2 font engine. The Common vulnerabilities and Exposures project identifies the following problems : - CVE-2006-0747 Several integer underflows have been discovered which could allow remote attackers to cause a denial of service. - CVE-2006-1861 Chris Evans discovered several integer overflows that lead to a denial of service or could possibly even lead to the execution of arbitrary code. - CVE-2006-2493 Several more integer overflows have been discovered which could possibly lead to the execution of arbitrary code. - CVE-2006-2661 A NULL pointer dereference could cause a denial of service.
    last seen 2019-02-21
    modified 2018-07-20
    plugin id 22637
    published 2006-10-14
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=22637
    title Debian DSA-1095-1 : freetype - integer overflows
  • NASL family FreeBSD Local Security Checks
    NASL id FREEBSD_PKG_B975763F521011DB8F1A000A48049292.NASL
    description SecurityTracker reports : A vulnerability was reported in FreeType. A remote user can cause arbitrary code to be executed on the target user's system. A remote user can create a specially crafted font file that, when loaded by the target user's system, will trigger an integer underflow or integer overflow and crash the application or execute arbitrary code on the target system. Chris Evans reported these vulnerabilities. Impact: A remote user can create a file that, when loaded by the target user, will execute arbitrary code on the target user's system.
    last seen 2019-02-21
    modified 2018-11-10
    plugin id 22503
    published 2006-10-05
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=22503
    title FreeBSD : freetype -- LWFN Files Buffer Overflow Vulnerability (b975763f-5210-11db-8f1a-000a48049292)
oval via4
accepted 2013-04-29T04:19:52.527-04:00
class vulnerability
contributors
  • name Aharon Chernin
    organization SCAP.com, LLC
  • name Dragos Prisaca
    organization G2, Inc.
definition_extensions
  • comment The operating system installed on the system is Red Hat Enterprise Linux 3
    oval oval:org.mitre.oval:def:11782
  • comment CentOS Linux 3.x
    oval oval:org.mitre.oval:def:16651
  • comment The operating system installed on the system is Red Hat Enterprise Linux 4
    oval oval:org.mitre.oval:def:11831
  • comment CentOS Linux 4.x
    oval oval:org.mitre.oval:def:16636
  • comment Oracle Linux 4.x
    oval oval:org.mitre.oval:def:15990
description Integer underflow in Freetype before 2.2 allows remote attackers to cause a denial of service (crash) via a font file with an odd number of blue values, which causes the underflow when decrementing by 2 in a context that assumes an even number of values.
family unix
id oval:org.mitre.oval:def:9508
status accepted
submitted 2010-07-09T03:56:16-04:00
title Integer underflow in Freetype before 2.2 allows remote attackers to cause a denial of service (crash) via a font file with an odd number of blue values, which causes the underflow when decrementing by 2 in a context that assumes an even number of values.
version 23
redhat via4
advisories
rhsa
id RHSA-2006:0500
refmap via4
apple APPLE-SA-2009-05-12
bid 18326
bugtraq 20060612 rPSA-2006-0100-1 freetype
cert TA09-133A
confirm
debian DSA-1095
mandriva MDKSA-2006:099
sectrack 1016522
secunia
  • 20525
  • 20591
  • 20638
  • 20791
  • 21062
  • 21135
  • 21385
  • 21701
  • 23939
  • 35074
sgi 20060701-01-U
sunalert 102705
suse SUSE-SA:2006:037
ubuntu USN-291-1
vupen
  • ADV-2007-0381
  • ADV-2009-1297
Last major update 11-10-2011 - 00:00
Published 23-05-2006 - 06:06
Last modified 19-10-2018 - 11:46
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