#VU70113 Code Injection in Sophos Firewall - CVE-2022-3713

Vulnerability identifier: #VU70113

Vulnerability risk: High

CVSSv4.0: 8.1 [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/E:U/U:Amber]

CVE-ID: CVE-2022-3713

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Sophos Firewall
Hardware solutions / Security hardware applicances

Vendor: Sophos

Description

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

The vulnerability exists due to improper input validation in the Wifi controller. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Sophos Firewall: 19.0.0 - 19.0.2

---

External links
http://www.sophos.com/en-us/security-advisories/sophos-sa-20221201-sfos-19-5-0

---

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.