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Vulnerability Details : CVE-2006-6101

Integer overflow in the ProcRenderAddGlyphs function in the Render extension for X.Org 6.8.2, 6.9.0, 7.0, and 7.1, and XFree86 X server, allows local users to execute arbitrary code via a crafted X protocol request that triggers memory corruption during processing of glyph management data structures.
Publish Date : 2006-12-31 Last Update Date : 2017-10-10
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Single system (The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface).)
Gained Access Admin
Vulnerability Type(s) Execute CodeOverflowMemory corruption
CWE ID CWE id is not defined for this vulnerability

- Vendor Statements

Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.
Source: Redhat

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat important 2006-12-07 2006-01-09
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2006-6101 unix
Integer overflow in the ProcRenderAddGlyphs function in the Render extension for X.Org 6.8.2, 6.9.0, 7.0, and 7.1, and X... oval:org.mitre.oval:def:10490 unix
RHSA-2007:0002: XFree86 security update (Important) oval:com.redhat.rhsa:def:20070002 unix
RHSA-2007:0003: xorg-x11 security update (Important) oval:com.redhat.rhsa:def:20070003 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-2006-6101

# Product Type Vendor Product Version Update Edition Language
1 Application 6.8.2 Version Details Vulnerabilities
2 Application 6.9.0 Version Details Vulnerabilities
3 Application 7.0 Version Details Vulnerabilities
4 Application 7.1 Version Details Vulnerabilities
5 Application Xfree86 Project Xfree86 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions 4
Xfree86 Project Xfree86 1

- References For CVE-2006-6101
VUPEN ADV-2007-0589
VUPEN ADV-2007-0669
VUPEN ADV-2007-2233
GENTOO GLSA-200701-25
SECTRACK 1017495
SLACKWARE SSA:2007-066-02
SUSE SUSE-SA:2007:008
REDHAT RHSA-2007:0002
REDHAT RHSA-2007:0003
BID 21968 X.Org DBE And Render Extensions Multiple Local Integer Overflow Vulnerabilities Release Date:2007-11-15
VUPEN ADV-2007-0108
XF xorg-xserver-render-overflow(31337)
MLIST [x-org announce] 20070109 X.Org Security Advisory: multiple integer overflows in dbe and render extensions
NETBSD NetBSD-SA2007-002
HP SSRT071295
IDEFENSE 20070109 Multiple Vendor X Server Render Extension ProcRenderAddGlyphs Memory Corruption Vulnerability

- Metasploit Modules Related To CVE-2006-6101

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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