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Vulnerability Details : CVE-2011-2492

The bluetooth subsystem in the Linux kernel before 3.0-rc4 does not properly initialize certain data structures, which allows local users to obtain potentially sensitive information from kernel memory via a crafted getsockopt system call, related to (1) the l2cap_sock_getsockopt_old function in net/bluetooth/l2cap_sock.c and (2) the rfcomm_sock_getsockopt_old function in net/bluetooth/rfcomm/sock.c.
Publish Date : 2011-07-28 Last Update Date : 2020-07-31
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- CVSS Scores & Vulnerability Types

CVSS Score
1.9
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 Medium (The access conditions are somewhat specialized. Some preconditions must be satistified 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
1.9
AV:L/AC:M/Au:N/C:P/I:N/A:N 2011-05-09 2011-05-09
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- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2011-1189 -- kernel security, bug fix, and enhancement update (important) oval:org.mitre.oval:def:28043 unix
DEPRECATED: ELSA-2011-0927 -- kernel security and bug fix update (important) oval:org.mitre.oval:def:27865 unix
DSA-2303-1 linux-2.6 -- privilege escalation/denial of service/information leak oval:org.mitre.oval:def:14248 unix
DSA-2303-2 linux-2.6 -- privilege escalation/denial of service/information leak oval:org.mitre.oval:def:14888 unix
DSA-2310-1 linux-2.6 -- privilege escalation/denial of service/information leak oval:org.mitre.oval:def:14257 unix
ELSA-2011-2025 -- Unbreakable Enterprise kernel security and bug fix update (important) oval:org.mitre.oval:def:28157 unix
ELSA-2011:0927: kernel security and bug fix update (Important) oval:org.mitre.oval:def:23330 unix
ELSA-2011:1189: kernel security, bug fix, and enhancement update (Important) oval:org.mitre.oval:def:23636 unix
RHSA-2011:0927: kernel security and bug fix update (Important) oval:org.mitre.oval:def:21896 unix
RHSA-2011:0927: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20110927 unix
RHSA-2011:1189: kernel security, bug fix, and enhancement update (Important) oval:org.mitre.oval:def:22054 unix
RHSA-2011:1189: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20111189 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
VMware ESXi and ESX updates to third party library and ESX Service Console oval:org.mitre.oval:def:20425 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-2011-2492

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel * * * * Version Details Vulnerabilities
2 OS Linux Linux Kernel 3.0 - * * Version Details Vulnerabilities
3 OS Linux Linux Kernel 3.0 RC1 * * Version Details Vulnerabilities
4 OS Linux Linux Kernel 3.0 RC2 * * Version Details Vulnerabilities
5 OS Linux Linux Kernel 3.0 RC3 * * Version Details Vulnerabilities
6 OS Redhat Enterprise Linux Aus 5.6 * * * Version Details Vulnerabilities
7 OS Redhat Enterprise Linux Desktop 5.0 * * * Version Details Vulnerabilities
8 OS Redhat Enterprise Linux Eus 5.6 * * * Version Details Vulnerabilities
9 OS Redhat Enterprise Linux Server 5.0 * * * Version Details Vulnerabilities
10 OS Redhat Enterprise Linux Workstation 5.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 5
Redhat Enterprise Linux Aus 1
Redhat Enterprise Linux Desktop 1
Redhat Enterprise Linux Eus 1
Redhat Enterprise Linux Server 1
Redhat Enterprise Linux Workstation 1

- References For CVE-2011-2492

http://permalink.gmane.org/gmane.linux.bluez.kernel/12909
MLIST [linux-bluetooth] 20110508 Bluetooth: l2cap and rfcomm: fix 1 byte infoleak to userspace.
http://securitytracker.com/id?1025778
SECTRACK 1025778
http://rhn.redhat.com/errata/RHSA-2011-0927.html
REDHAT RHSA-2011:0927
http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc4 CONFIRM
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8d03e971cf403305217b8e62db3a2e5ad2d6263f CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=703019 CONFIRM
http://www.openwall.com/lists/oss-security/2011/06/24/3
MLIST [oss-security] 20110624 Re: CVE request: kernel: bluetooth: l2cap and rfcomm: fix 1 byte infoleak to userspace
http://marc.info/?l=bugtraq&m=139447903326211&w=2
HP HPSBGN02970
http://www.openwall.com/lists/oss-security/2011/06/24/2
MLIST [oss-security] 20110624 CVE request: kernel: bluetooth: l2cap and rfcomm: fix 1 byte infoleak to userspace

- Metasploit Modules Related To CVE-2011-2492

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


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