Heap-based buffer overflow in Linux kernel

1) Heap-based buffer overflow

EUVDB-ID: #VU34815

Risk: Medium

CVSSv3.1: 6.4 [AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2011-0699

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Integer signedness error in the btrfs_ioctl_space_info function in the Linux kernel 2.6.37. A remote attacker can use a crafted slot value. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Linux kernel: 2.6.37

External links

http://marc.info/?l=linux-kernel&m=129726078708425&w=2
http://marc.info/?l=oss-security&m=129726743519620&w=2
http://vulnfactory.org/vulns/
http://github.com/BlankOn/linux-debian/blob/master/debian/changelog.BlankOn

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.