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Vulnerability Details : CVE-2011-2494

kernel/taskstats.c in the Linux kernel before 3.1 allows local users to obtain sensitive I/O statistics by sending taskstats commands to a netlink socket, as demonstrated by discovering the length of another user's password.
Publish Date : 2012-06-13 Last Update Date : 2012-12-18
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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 200

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat low
2.1
AV:L/AC:L/Au:N/C:P/I:N/A:N 2011-06-21 2011-06-21
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2011-2494 oval:org.opensuse.security:def:20112494 unix
ELSA-2011-1465 -- kernel security and bug fix update (important) oval:org.mitre.oval:def:28166 unix
ELSA-2011-1479 -- kernel security, bug fix, and enhancement update (important) oval:org.mitre.oval:def:27741 unix
ELSA-2011-2033 -- Unbreakable Enterprise kernel security update (important) oval:org.mitre.oval:def:28092 unix
ELSA-2011:1465: kernel security and bug fix update (Important) oval:org.mitre.oval:def:23677 unix
ELSA-2011:1479: kernel security, bug fix, and enhancement update (Important) oval:org.mitre.oval:def:23202 unix
RHSA-2011:1465: kernel security and bug fix update (Important) oval:org.mitre.oval:def:21641 unix
RHSA-2011:1465: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20111465 unix
RHSA-2011:1479: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20111479 unix
RHSA-2011:1479: kernel security, bug fix, and enhancement update (Important) oval:org.mitre.oval:def:22198 unix
SUSE-SU-2013:1832-1 -- Security update for Linux kernel oval:org.mitre.oval:def:25739 unix
SUSE-SU-2014:0536-1 -- Security update for Linux kernel oval:org.mitre.oval:def:24982 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-2011-2494

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 3.0.1 Version Details Vulnerabilities
2 OS Linux Linux Kernel 3.0.2 Version Details Vulnerabilities
3 OS Linux Linux Kernel 3.0.3 Version Details Vulnerabilities
4 OS Linux Linux Kernel 3.0.4 Version Details Vulnerabilities
5 OS Linux Linux Kernel 3.0.5 Version Details Vulnerabilities
6 OS Linux Linux Kernel 3.0.6 Version Details Vulnerabilities
7 OS Linux Linux Kernel 3.0.7 Version Details Vulnerabilities
8 OS Linux Linux Kernel 3.0.8 Version Details Vulnerabilities
9 OS Linux Linux Kernel 3.0.9 Version Details Vulnerabilities
10 OS Linux Linux Kernel 3.0.10 Version Details Vulnerabilities
11 OS Linux Linux Kernel 3.0.11 Version Details Vulnerabilities
12 OS Linux Linux Kernel 3.0.12 Version Details Vulnerabilities
13 OS Linux Linux Kernel 3.0.13 Version Details Vulnerabilities
14 OS Linux Linux Kernel 3.0.14 Version Details Vulnerabilities
15 OS Linux Linux Kernel 3.0.15 Version Details Vulnerabilities
16 OS Linux Linux Kernel 3.0.16 Version Details Vulnerabilities
17 OS Linux Linux Kernel 3.0.17 Version Details Vulnerabilities
18 OS Linux Linux Kernel 3.0.18 Version Details Vulnerabilities
19 OS Linux Linux Kernel 3.0.19 Version Details Vulnerabilities
20 OS Linux Linux Kernel 3.0.20 Version Details Vulnerabilities
21 OS Linux Linux Kernel 3.0.21 Version Details Vulnerabilities
22 OS Linux Linux Kernel 3.0.22 Version Details Vulnerabilities
23 OS Linux Linux Kernel 3.0.23 Version Details Vulnerabilities
24 OS Linux Linux Kernel 3.0.24 Version Details Vulnerabilities
25 OS Linux Linux Kernel 3.0.25 Version Details Vulnerabilities
26 OS Linux Linux Kernel 3.0.26 Version Details Vulnerabilities
27 OS Linux Linux Kernel 3.0.27 Version Details Vulnerabilities
28 OS Linux Linux Kernel 3.0.28 Version Details Vulnerabilities
29 OS Linux Linux Kernel 3.0.29 Version Details Vulnerabilities
30 OS Linux Linux Kernel 3.0.30 Version Details Vulnerabilities
31 OS Linux Linux Kernel 3.0.31 Version Details Vulnerabilities
32 OS Linux Linux Kernel 3.0.32 Version Details Vulnerabilities
33 OS Linux Linux Kernel 3.0.33 Version Details Vulnerabilities
34 OS Linux Linux Kernel 3.0.34 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 34

- References For CVE-2011-2494

http://secunia.com/advisories/48898
SECUNIA 48898
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1 CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=716842 CONFIRM
https://github.com/torvalds/linux/commit/1a51410abe7d0ee4b1d112780f46df87d3621043 CONFIRM
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1a51410abe7d0ee4b1d112780f46df87d3621043 CONFIRM
http://www.openwall.com/lists/oss-security/2011/06/27/1
MLIST [oss-security] 20110627 Re: CVE request: kernel: taskstats/procfs io infoleak

- Metasploit Modules Related To CVE-2011-2494

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


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