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Vulnerability of Sophos XG Firewall: buffer overflow via Awarrensmtp

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow via Awarrensmtp of Sophos XG Firewall, in order to trigger a denial of service, and possibly to run code.
Vulnerable products: Sophos XG Series.
Severity of this weakness: 3/4.
Creation date: 19/06/2020.
Références of this bulletin: CVE-2020-11503, VIGILANCE-VUL-32586.

Description of the vulnerability 

An attacker can trigger a buffer overflow via Awarrensmtp of Sophos XG Firewall,...
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This security announce impacts software or systems such as Sophos XG Series.

Our Vigil@nce team determined that the severity of this threat is important.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this computer vulnerability announce.

Solutions for this threat 

This vulnerability fix will be public soon.
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