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Vulnerability Details : CVE-2013-2141

The do_tkill function in kernel/signal.c in the Linux kernel before 3.8.9 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel memory via a crafted application that makes a (1) tkill or (2) tgkill system call.
Publish Date : 2013-06-07 Last Update Date : 2014-01-03
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- CVSS Scores & Vulnerability Types

CVSS Score
2.1
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
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) Obtain Information
CWE ID 399

- Related OVAL Definitions

Title Definition Id Class Family
DSA-2766-1 linux-2.6 - several oval:org.mitre.oval:def:19806 unix
ELSA-2013-1292 -- kernel security and bug fix update (moderate) oval:org.mitre.oval:def:27384 unix
ELSA-2013-1292-1 -- kernel security and bug fix update (moderate) oval:org.mitre.oval:def:27491 unix
ELSA-2013-1801 -- kernel security, bug fix, and enhancement update (important) oval:org.mitre.oval:def:27259 unix
ELSA-2013-2589 -- unbreakable enterprise kernel security update (important) oval:org.mitre.oval:def:27343 unix
ELSA-2013:1292: kernel security and bug fix update (Moderate) oval:org.mitre.oval:def:23149 unix
ELSA-2013:1801: kernel security, bug fix, and enhancement update (Important) oval:org.mitre.oval:def:23924 unix
RHSA-2013:1292: kernel security and bug fix update (Moderate) oval:org.mitre.oval:def:21210 unix
RHSA-2013:1292: kernel security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20131292 unix
RHSA-2013:1801: kernel security, bug fix, and enhancement update (Important) oval:org.mitre.oval:def:20899 unix
RHSA-2013:1801: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20131801 unix
SUSE-SU-2013:1832-1 -- Security update for Linux kernel oval:org.mitre.oval:def:25739 unix
SUSE-SU-2014:0287-1 -- Security update for Linux kernel oval:org.mitre.oval:def:24665 unix
SUSE-SU-2014:0536-1 -- Security update for Linux kernel oval:org.mitre.oval:def:24982 unix
USN-1899-1 -- linux vulnerabilities oval:org.mitre.oval:def:21254 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-2013-2141

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 3.8.0 Version Details Vulnerabilities
2 OS Linux Linux Kernel 3.8.1 Version Details Vulnerabilities
3 OS Linux Linux Kernel 3.8.2 Version Details Vulnerabilities
4 OS Linux Linux Kernel 3.8.3 Version Details Vulnerabilities
5 OS Linux Linux Kernel 3.8.4 Version Details Vulnerabilities
6 OS Linux Linux Kernel 3.8.5 Version Details Vulnerabilities
7 OS Linux Linux Kernel 3.8.6 Version Details Vulnerabilities
8 OS Linux Linux Kernel 3.8.7 Version Details Vulnerabilities
9 OS Linux Linux Kernel 3.8.8 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 9

- References For CVE-2013-2141

http://www.debian.org/security/2013/dsa-2766
DEBIAN DSA-2766
http://www.ubuntu.com/usn/USN-1900-1
UBUNTU USN-1900-1
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b9e146d8eb3b9ecae5086d373b50fa0c1f3e7f0f CONFIRM
http://secunia.com/advisories/55055
SECUNIA 55055
http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
SUSE openSUSE-SU-2013:1971
http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
MANDRIVA MDVSA-2013:176
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9 CONFIRM
https://github.com/torvalds/linux/commit/b9e146d8eb3b9ecae5086d373b50fa0c1f3e7f0f CONFIRM
http://www.ubuntu.com/usn/USN-1899-1
UBUNTU USN-1899-1
http://www.openwall.com/lists/oss-security/2013/06/04/10
MLIST [oss-security] 20130604 Re: CVE Request: kernel info leak in tkill/tgkill
https://bugzilla.redhat.com/show_bug.cgi?id=970873 CONFIRM

- Metasploit Modules Related To CVE-2013-2141

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


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