Permissions, Privileges, and Access Controls in Dell Client Platform

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU48420

Risk: Low

CVSSv4.0: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-12307

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 application does not properly impose security restrictions, which leads to security restrictions bypass and privilege escalation.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Latitude 7490: before 6.0.9000.1

Latitude 7390 2-in-1: before 6.0.9000.1

Latitude 7390: before 6.0.9000.1

Latitude 7290: before 6.0.9000.1

Inspiron 15 7572: before 6.0.9000.1

Inspiron 14 7472: before 6.0.9000.1

CPE2.3

• cpe:2.3:h:dell:latitude_7490:*:*:*:*:*:*:*:*
• cpe:2.3:h:dell:latitude_7390_2-in-1:*:*:*:*:*:*:*:*
• cpe:2.3:h:dell:latitude_7390:*:*:*:*:*:*:*:*
• cpe:2.3:h:dell:latitude_7290:*:*:*:*:*:*:*:*
• cpe:2.3:h:dell:inspiron_15_7572:*:*:*:*:*:*:*:*
• cpe:2.3:h:dell:inspiron_14_7472:*:*:*:*:*:*:*:*

External links

https://www.dell.com/support/kbdoc/en-us/000180500/dsa-2020-251-dell-client-platform-security-updates-for-intel-high-definition-audio-driver-vulnerability

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.