Privilege escalation in Intel Manycore Platform Software Stack (MPSS)

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU25177

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0563

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect permissions in the installer for Intel(R) MPSS. A local user can can execute arbitrary code on the system with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Intel Manycore Platform Software Stack (MPSS): 3.1.1 - 3.8.5

External links

http://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00340.html

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.