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Vulnerability Details : CVE-2006-1526

Buffer overflow in the X render (Xrender) extension in X.org X server 6.8.0 up to allows attackers to cause a denial of service (crash), as demonstrated by the (1) XRenderCompositeTriStrip and (2) XRenderCompositeTriFan requests in the rendertest from XCB xcb/xcb-demo, which leads to an incorrect memory allocation due to a typo in an expression that uses a "&" instead of a "*" operator. NOTE: the subject line of the original announcement used an incorrect CVE number for this issue.
Publish Date : 2006-05-02 Last Update Date : 2010-08-21
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- CVSS Scores & Vulnerability Types

CVSS Score
2.1
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceOverflow
CWE ID CWE id is not defined for this vulnerability

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat important 2006-04-23 2006-05-02
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- Related OVAL Definitions

Title Definition Id Class Family
Buffer overflow in the X render (Xrender) extension in X.org X server 6.8.0 up to allows attackers to cause a denial of ... oval:org.mitre.oval:def:9929 unix
CVE-2006-1526 oval:org.opensuse.security:def:20061526 unix
RHSA-2006:0451: xorg-x11 security update (Important) oval:com.redhat.rhsa:def:20060451 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2006-1526

# Product Type Vendor Product Version Update Edition Language
1 Application X.org X11r6 6.7.0 Version Details Vulnerabilities
2 Application X.org X11r6 6.8 Version Details Vulnerabilities
3 Application X.org X11r6 6.8.1 Version Details Vulnerabilities
4 Application X.org X11r6 6.9 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
X.org X11r6 4

- References For CVE-2006-1526

http://secunia.com/advisories/19983
SECUNIA 19983
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102339-1
SUNALERT 102339
http://www.openbsd.org/errata38.html#xorg
OPENBSD [3.8] 007: SECURITY FIX: May 2, 2006
http://securitytracker.com/id?1016018
SECTRACK 1016018
http://xforce.iss.net/xforce/xfdb/26200
XF xorg-xrender-bo(26200)
http://www.trustix.org/errata/2006/0024
TRUSTIX 2006-0024
http://www.securityfocus.com/bid/17795
BID 17795 X.Org XRender Extension Buffer Overflow Vulnerability Release Date:2007-01-04
http://www.securityfocus.com/archive/1/archive/1/436327/100/0/threaded
FEDORA FLSA:190777
http://www.mandriva.com/security/advisories?name=MDKSA-2006:081
MANDRIVA MDKSA-2006:081
https://bugs.freedesktop.org/show_bug.cgi?id=6642 CONFIRM
http://www.ubuntulinux.org/support/documentation/usn/usn-280-1
UBUNTU USN-280-1
http://secunia.com/advisories/19900
SECUNIA 19900
http://lists.freedesktop.org/archives/xorg/2006-May/015136.html
MLIST [xorg] 20060502 [CVE-2006-1525] X.Org security advisory: Buffer overflow in the Xrender extension
http://secunia.com/advisories/19915
SECUNIA 19915
http://secunia.com/advisories/19916
SECUNIA 19916
http://secunia.com/advisories/19921
SECUNIA 19921
http://secunia.com/advisories/19943
SECUNIA 19943
http://www.frsirt.com/english/advisories/2006/1617
VUPEN ADV-2006-1617
http://secunia.com/advisories/19951
SECUNIA 19951
http://secunia.com/advisories/19956
SECUNIA 19956
http://www.gentoo.org/security/en/glsa/glsa-200605-02.xml
GENTOO GLSA-200605-02
http://www.redhat.com/support/errata/RHSA-2006-0451.html
REDHAT RHSA-2006:0451
http://www.novell.com/linux/security/advisories/2006_05_03.html
SUSE SUSE-SA:2006:023
http://www.kb.cert.org/vuls/id/633257
CERT-VN VU#633257

- Metasploit Modules Related To CVE-2006-1526

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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