Remote code execution in UNISOC modem firmware



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-20210
CWE-ID CWE-119
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 UNISOC modem firmware
Mobile applications / Mobile firmware & hardware

Vendor UNISOC

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU64159

Risk: High

CVSSv4.0: 7.8 [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/E:P/U:Amber]

CVE-ID: CVE-2022-20210

CWE-ID: CWE-119 - Memory corruption

Exploit availability: Yes

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

UNISOC modem firmware: All versions

CPE2.3 External links

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


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

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.



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