#VU17757 Privilege escalation in LG Device Manager - CVE-2019-8372

Vulnerability identifier: #VU17757

Vulnerability risk: Low

CVSSv4.0: 7.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2019-8372

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
LG Device Manager
Client/Desktop applications / Software for system administration

Vendor: LG Electronics

Description

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

The vulnerability exists due to existence of IOCTL dispatch functions. A local attacker can read and write to arbitrary physical memory and leverage those functions to elevate privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

LG Device Manager: 1.1.1703.1700

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External links
https://www.jackson-t.ca/lg-driver-lpe.html
https://lgsecurity.lge.com/security_updates.html
https://twitter.com/Jackson_T/status/1097353402034475009

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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. However, proof of concept for this vulnerability is available.