Buffer overflow in Linux kernel

1) Buffer overflow

EUVDB-ID: #VU30979

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2012-6712

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

In the Linux kernel before 3.4, a buffer overflow occurs in drivers/net/wireless/iwlwifi/iwl-agn-sta.c, which will cause at least memory corruption.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 3.0 - 3.3.8

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:3.0:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:3.0.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:3.0.2:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:3.0.3:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:3.0.4:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:3.0.5:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:3.0.6:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:3.0.7:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:3.0.8:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:3.0.9:*:*:*:*:*:*:*

External links

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2da424b0773cea3db47e1e81db71eeebde8269d4
https://github.com/torvalds/linux/commit/2da424b0773cea3db47e1e81db71eeebde8269d4
https://mirrors.edge.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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