Improper Validation of Array Index in Qualcomm products - CVE-2020-11134

Vulnerability identifier: #VU51641

CSH Severity: High

CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-11134

CWE-ID: CWE-129

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise the affected device.

The vulnerability exists due to a boundary error within the WLAN Firmware when validating time bitmap length and bit duration fields of the attributes like NAN ranging setup attribute inside a NAN management frame. A remote attacker can send specially crafted traffic to the device, trigger an out-of-bounds write and execute arbitrary code on the system.

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Install updates from vendor's website.

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

• Multiple vulnerabilities in Qualcomm chipsets