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Vulnerability Details : CVE-2006-4447

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.
Publish Date : 2006-08-30 Last Update Date : 2011-03-08
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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 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) Gain privileges
CWE ID CWE id is not defined for this vulnerability

- Vendor Statements

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:
Source: Redhat

- Products Affected By CVE-2006-4447

# Product Type Vendor Product Version Update Edition Language
1 Application Emu-linux-x87-xlibs 7.0 R1 * * * Version Details Vulnerabilities
2 Application X11r6 6.7.0 * * * Version Details Vulnerabilities
3 Application X11r6 6.8 * * * Version Details Vulnerabilities
4 Application X11r6 6.8.1 * * * Version Details Vulnerabilities
5 Application X11r6 6.8.2 * * * Version Details Vulnerabilities
6 Application X11r7 1.0 * * * Version Details Vulnerabilities
7 Application X11r7 1.0.1 * * * Version Details Vulnerabilities
8 Application X11r7 1.0.2 * * * Version Details Vulnerabilities
9 Application XDM 1.0.3 * * * Version Details Vulnerabilities
10 Application Xf86dga 1.0.0 * * * Version Details Vulnerabilities
11 Application Xinit 1.0.2 R5 * * * Version Details Vulnerabilities
12 Application Xload 1.0.0 * * * Version Details Vulnerabilities
13 Application Xorg-server 1.02 R5 * * * Version Details Vulnerabilities
14 Application Xterm 214 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions Emu-linux-x87-xlibs 1 X11r6 4 X11r7 3 XDM 1 Xf86dga 1 Xinit 1 Xload 1 Xorg-server 1 Xterm 1

- References For CVE-2006-4447
BID 23697 Beast Resource Limit Local Denial Of Service Vulnerability Release Date:2007-04-30
GENTOO GLSA-200704-22
MLIST [beast] 20061228 ANNOUNCE: BEAST/BSE v0.7.1
CERT-VN VU#300368
BID 19742 Multiple X.Org Products SetUID Local Privilege Escalation Vulnerability Release Date:2007-01-30
GENTOO GLSA-200608-25
MLIST [xorg] 20060620 X.Org security advisory: setuid return value check problems
VUPEN ADV-2007-0409
VUPEN ADV-2006-3409

- Metasploit Modules Related To CVE-2006-4447

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

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