Vulnerability identifier: #VU8638
Vulnerability risk: Low
CVSSv3.1: 7.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Local
Exploit availability: Yes
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to an error when loading of Executable and Linkable Format (ELF) executables. A local user can create a specially crafted ELF binary, trigger memory corruption and execute arbitrary code on the vulnerable system with root privileges.
Mitigation
Install update from vendor's GIT repository:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=a87938b2e246b81b4fb713e...
Vulnerable software versions
Linux kernel: 3.10 - 3.10.107, 3.9 - 3.9.11, 3.8 - 3.8.13, 3.7 - 3.7.10, 3.6 - 3.6.11
External links
http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=a87938b2e246b81b4fb713e...
http://seclists.org/oss-sec/2017/q3/541
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. However, proof of concept for this vulnerability is available.