Vulnerability identifier: #VU70115

Vulnerability risk: Medium

CVSSv3.1: 7.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-3226

CWE-ID: CWE-78

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 shell commands on the target system.

The vulnerability exists due to improper input validation in VPN configuration uploads. A remote user can pass specially crafted data to the application and execute arbitrary OS commands 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

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

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.