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Last updated: 5/5/2016 2:39:27 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2007-4730

Original release date: 09/11/2007
Last revised: 03/07/2011


Buffer overflow in the compNewPixmap function in compalloc.c in the Composite extension for the X.org 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.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.3 MEDIUM
Impact Subscore: 6.4
Exploitability Subscore: 3.1
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Required to exploit
Impact Type: Provides unauthorized access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (09/26/2007)
This flaw was fixed for Red Hat Enterprise Linux 4 in RHSA-2007-0898: https://rhn.redhat.com/errata/RHSA-2007-0898.html Red Hat Enterprise Linux 5 is not affected by this flaw. More information can be found here: https://bugzilla.redhat.com/show_bug.cgi?id=285991 Red Hat Enterprise Linux 2.1 and 3 do not support the composite extension and are not vulnerable to this flaw.

References to Advisories, Solutions, and Tools

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External Source: MANDRIVA
Name: MDKSA-2007:178
External Source: CONFIRM
Name: http://bugs.freedesktop.org/show_bug.cgi?id=7447
External Source: OVAL
Name: oval:org.mitre.oval:def:10430
External Source: XF
Name: xorg-composite-bo(36535)
External Source: CONFIRM
Name: http://wiki.rpath.com/wiki/Advisories:rPSA-2007-0187
External Source: CONFIRM
Name: http://support.avaya.com/elmodocs2/security/ASA-2007-394.htm
External Source: DEBIAN
Name: DSA-1372
Type: Patch Information
External Source: MANDRIVA
Name: MDVSA-2008:022
External Source: UBUNTU
Name: USN-514-1
External Source: OSVDB
Name: 37726
External Source: GENTOO
Name: GLSA-200805-07
External Source: VUPEN
Name: ADV-2007-3098
External Source: REDHAT
Name: RHSA-2007:0898
External Source: GENTOO
Name: GLSA-200710-16
External Source: MLIST
Name: [xorg-announce] 20070906 xorg-server 1.4
External Source: CONFIRM
Name: http://bugs.gentoo.org/show_bug.cgi?id=191964
External Source: BID
Name: 25606
External Source: SECTRACK
Name: 1018665
External Source: SUSE
Name: SUSE-SA:2007:054
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-1728

References to Check Content

Identifier: oval:org.mitre.oval:def:10430
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Technical Details

Vulnerability Type (View All)