Sophos fixed a critical flaw in its Sophos Firewall version 19.5

December 7, 2022  By Pierluigi Paganini


Sophos addressed several vulnerabilities affecting its Sophos Firewall version 19.5, including arbitrary code execution issues.

Sophos has released security patches to address seven vulnerabilities in Sophos Firewall version 19.5, including some arbitrary code execution bugs.

The most severe issue addressed by the security vendor is a critical code injection vulnerability tracked as CVE-2022-3236.

“A code injection vulnerability allowing remote code execution was discovered in the User Portal and Webadmin.” reads the advisory.

In September Sophos warned of this critical code injection security vulnerability (CVE-2022-3236) affecting its Firewall product which is being exploited in the wild. Sophos confirmed that this vulnerability was being used to target a small set of specific organizations, primarily in the South Asia region.

Sophos Firewall User Portal interface

The security vendor also addressed three vulnerabilities rated as ‘high’ severity, below is the list of these issues:

  • CVE-2022-3226 – An OS command injection vulnerability allowing admins to execute code via SSL VPN configuration uploads was discovered by Sophos during internal security testing.
  • CVE-2022-3713 – A code injection vulnerability allowing adjacent attackers to execute code in the Wifi controller was discovered by Sophos during internal security testing. It requires attackers to be connected to an interface with the Wireless Protection service enabled.
  • CVE-2022-3696 – A post-auth code injection vulnerability allowing admins to execute code in Webadmin was discovered and responsibly disclosed to Sophos by an external security researcher. It was reported via the Sophos bug bounty program.

The company also fixed two flaws, rated as medium severity, respectively a stored XSS vulnerability (CVE-2022-3709) and a post-auth read-only SQL injection flaw (CVE-2022-3711).

The seventh issue addressed by the company is a post-auth read-only SQL injection vulnerability, tracked as CVE-2022-3710, rated as low severity.

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Pierluigi Paganini

(SecurityAffairs – hacking, code execution flaws)

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Pierluigi Paganini
Pierluigi Paganini is member of the ENISA (European Union Agency for Network and Information Security) Threat Landscape Stakeholder Group and Cyber G7 Group, he is also a Security Evangelist, Security Analyst and Freelance Writer. Editor-in-Chief at "Cyber Defense Magazine", Pierluigi is a cyber security expert with over 20 years experience in the field, he is Certified Ethical Hacker at EC Council in London. The passion for writing and a strong belief that security is founded on sharing and awareness led Pierluigi to find the security blog "Security Affairs" recently named a Top National Security Resource for US. Pierluigi is a member of the "The Hacker News" team and he is a writer for some major publications in the field such as Cyber War Zone, ICTTF, Infosec Island, Infosec Institute, The Hacker News Magazine and for many other Security magazines. Author of the Books "The Deep Dark Web" and “Digital Virtual Currency and Bitcoin”.





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