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Overview Sophos discovered an XG Firewall v17.x vulnerability regarding access to physical and virtual units configured with the user portal exposed on the WAN. This was a previously unknown buffer overflow vulnerability in the user portal HTTP/S bookmark feature. Sophos quickly responded and remediated with a hotfix that removes the HTTP/S bookmark functionality for all XG Firewalls running SFOS v17.x. XG Firewall...

Overview A heap overflow vulnerability in awarrensmtp, a component of XG Firewall firmware, was recently discovered and responsibly disclosed to Sophos by an external security researcher. The vulnerability can potentially allow a remote attacker to execute arbitrary code. Sophos would like to thank Arseniy Sharoglazov from Positive Technologies for responsibly disclosing this issue to Sophos. There is no action...

Overview A privilege escalation vulnerability was discovered and responsibly disclosed on 17 August, 2019 by Lasse Trolle Borup of Danish Cyber Defence that impacted specific versions of Sophos Anti-Virus for macOS. All supported versions were fixed by 5 December 2019. The only action required for customers is to verify they are running the fixed version. Description of Vulnerability An unprivileged, authenticated...

Overview There are many possible ways to create a corrupted archive file that remains readable to some unpacking tools, while not being readable by other tools, including endpoint protection products in general. These endpoint protection products will only be able to detect malware hidden inside corrupted archives when the contents of the archive are unpacked by the 3rd party tool using on-access scanning technology...

Surveillance apps, also known as Stalkerware, possess powerful surveillance functions, and thus, can be used to spy on users and their online activity. The Surveillance App category covers a range of aggressive monitoring software and commercial spyware designed to spy on users. Even though Surveillance Apps can be marketed as parental monitoring software, their ability to work in stealth mode, sometimes disguised...

Overview A critical shell injection vulnerability in Sophos Cyberoam Firewall appliances running CyberoamOS (CROS) version 10.6.6 MR-5 and earlier was recently discovered and responsibly disclosed to Sophos by an external security researcher. The vulnerability can be potentially exploited by sending a malicious request to either the Web Admin or SSL VPN consoles, which would enable an unauthenticated remote attacker...

Overview CVE-2019-15846 outlines a vulnerability in Exim whereby a specially crafted SNI ending can be utilized to run arbitrary code on the vulnerable server This vulnerability is not exploitable on any Sophos products, see the table below for more information. Sophos Email Products and CVE-2019-15846 Product Vulnerable Further information Sophos XG Firewall No The TLS headers that are used...