#VU92524 Information exposure in Linux kernel - CVE-2012-6544

Vulnerability identifier: #VU92524

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2012-6544

CWE-ID: CWE-200

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to information exposure error within the hci_sock_getname() function in net/bluetooth/hci_sock.c. A local user can gain access to sensitive information.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3f68ba07b1da811bf383b4b701b129bfcb2e4988
https://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=792039c73cf176c8e39a6e8beef2c94ff46522ed
https://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e15ca9a0ef9a86f0477530b0f44a725d67f889ee
https://rhn.redhat.com/errata/RHSA-2013-1173.html
https://www.openwall.com/lists/oss-security/2013/03/05/13
https://www.ubuntu.com/usn/USN-1805-1
https://www.ubuntu.com/usn/USN-1808-1
https://github.com/torvalds/linux/commit/3f68ba07b1da811bf383b4b701b129bfcb2e4988
https://github.com/torvalds/linux/commit/792039c73cf176c8e39a6e8beef2c94ff46522ed
https://github.com/torvalds/linux/commit/e15ca9a0ef9a86f0477530b0f44a725d67f889ee
https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.