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Vulnerability Details : CVE-2007-4730

Buffer overflow in the compNewPixmap function in compalloc.c in the Composite extension for the X11 server before 1.4 allows local users to execute arbitrary code by copying data from a large pixel depth pixmap into a smaller pixel depth pixmap.
Publish Date : 2007-09-11 Last Update Date : 2010-08-21
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
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 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 User
Vulnerability Type(s) Execute CodeOverflow
CWE ID 119

- Vendor Statements

This flaw was fixed for Red Hat Enterprise Linux 4 in RHSA-2007-0898: Red Hat Enterprise Linux 5 is not affected by this flaw. More information can be found here: Red Hat Enterprise Linux 2.1 and 3 do not support the composite extension and are not vulnerable to this flaw.
Source: Redhat

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat important 2007-09-09 2007-09-09
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- Related OVAL Definitions

Title Definition Id Class Family
Buffer overflow in the compNewPixmap function in compalloc.c in the Composite extension for the X11 server before ... oval:org.mitre.oval:def:10430 unix
CVE-2007-4730 unix
DSA-1372-1 xorg-server - privilege escalation oval:org.mitre.oval:def:18611 unix
RHSA-2007:0898: xorg-x11 security update (Moderate) oval:com.redhat.rhsa:def:20070898 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-2007-4730

# Product Type Vendor Product Version Update Edition Language
1 Application Xorg-server 1.01 Version Details Vulnerabilities
2 Application Xorg-server 1.1 Version Details Vulnerabilities
3 Application Xorg-server 1.2 Version Details Vulnerabilities
4 Application Xorg-server 1.02 Version Details Vulnerabilities
5 Application Xorg-server 1.3 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions Xorg-server 5

- References For CVE-2007-4730 CONFIRM
GENTOO GLSA-200710-16
SUSE SUSE-SA:2007:054
BID 25606 X.Org X Server Composite Extension Local Buffer Overflow Vulnerability Release Date:2008-05-09
REDHAT RHSA-2007:0898
SECTRACK 1018665
XF xorg-composite-bo(36535) CONFIRM CONFIRM
MLIST [xorg-announce] 20070906 xorg-server 1.4 CONFIRM
OSVDB 37726

- Metasploit Modules Related To CVE-2007-4730

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

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