Out-of-bounds write in Qualcomm products - CVE-2020-11289

Vulnerability identifier: #VU52812

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-11289

CWE-ID: CWE-787

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The vulnerability exists due to a boundary error in TZ command handler within the Content Protection feature. A local user can pass a specially crafted command ID, trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

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Google Android

Install updates from vendor's website.

Google Android - addressed in versions 8.1 2021-05-05, 9.0 2021-05-05, 10 2021-05-05, 11 2021-05-05

• https://www.qualcomm.com/company/product-security/bulletins/may-2021-bulletin

• Multiple vulnerabilities in Qualcomm chipsets
• Multiple vulnerabilities in Google Android