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Vulnerability Details : CVE-2011-4613

The X.Org X wrapper (xserver-wrapper.c) in Debian GNU/Linux and Ubuntu Linux does not properly verify the TTY of a user who is starting X, which allows local users to bypass intended access restrictions by associating stdin with a file that is misinterpreted as the console TTY.
Publish Date : 2014-02-05 Last Update Date : 2014-02-24
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- CVSS Scores & Vulnerability Types

CVSS Score
4.6
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 Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Bypass a restriction or similar
CWE ID 264

- Products Affected By CVE-2011-4613

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 10.04 - LTS Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 10.10 Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 11.04 Version Details Vulnerabilities
4 OS Canonical Ubuntu Linux 11.10 Version Details Vulnerabilities
5 OS Debian Debian Linux Version Details Vulnerabilities
6 OS Ubuntu Linux Version Details Vulnerabilities
7 Application X X Server - Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 4
Debian Debian Linux 1
Ubuntu Linux 1
X X Server 1

- References For CVE-2011-4613

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=652249
http://www.debian.org/security/2011/dsa-2364
DEBIAN DSA-2364
http://www.ubuntu.com/usn/USN-1349-1
UBUNTU USN-1349-1

- Metasploit Modules Related To CVE-2011-4613

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


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