National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2006-4447 Detail


X.Org and XFree86, including libX11, xdm, xf86dga, xinit, xload, xtrans, and xterm, does not check the return values for setuid and seteuid calls when attempting to drop privileges, which might allow local users to gain privileges by causing those calls to fail, such as by exceeding a ulimit.

Source:  MITRE      Last Modified:  08/29/2006

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
7.2 HIGH
(AV:L/AC:L/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Not required to exploit
Impact Type:
Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (09/12/2006)

Not Vulnerable. This issue does not exist in Red Hat Enterprise Linux 2.1 or 3. This issue not exploitable in Red Hat Enterprise Linux 4. A detailed analysis of this issue can be found in the Red Hat Bug Tracking System:

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name Patch External Source MLIST [xorg] 20060620 X.Org security advisory: setuid return value check problems External Source MLIST [beast] 20061228 ANNOUNCE: BEAST/BSE v0.7.1 Patch; Vendor Advisory External Source GENTOO GLSA-200608-25 External Source GENTOO GLSA-200704-22 External Source DEBIAN DSA-1193 US Government Resource External Source CERT-VN VU#300368 External Source MANDRIVA MDKSA-2006:160 External Source BID 19742 External Source BID 23697 External Source VUPEN ADV-2006-3409 External Source VUPEN ADV-2007-0409

Technical Details

Vulnerability Type (View All)

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