Main Vulnerability Database Vulnerabilities #VU64159

Buffer overflow in UNISOC modem firmware - CVE-2022-20210

Published: June 10, 2022 / Updated: June 13, 2022

Vulnerability identifier: #VU64159

CSH Severity: High

CVSS v4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-20210

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the modem firmware component. A remote attacker can send a specially-crafted packet to execute arbitrary code on the target system.

Affected software

UNISOC modem firmware
Google Android

How to mitigate CVE-2022-20210

Install updates from vendor's website.

Google Android - addressed in versions 10 2022-06-05, 11 2022-06-05, 12L 2022-06-05, 12 2022-06-05

Links to Public Exploits and PoC-codes

Exploit #8028 - CPR-Zero: CVE-2022-20210 (June 13, 2022)

External References

https://research.checkpoint.com/2022/vulnerability-within-the-unisoc-baseband/