The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them.

Vulnerability of OVMF: use after free via TRB Creation

Synthesis of the vulnerability 

An attacker can force the usage of a freed memory area via TRB Creation of OVMF, in order to trigger a denial of service, and possibly to run code.
Vulnerable software: Ubuntu.
Severity of this announce: 2/4.
Creation date: 01/05/2020.
Références of this computer vulnerability: CVE-2019-14587, USN-4349-1, VIGILANCE-VUL-32167.

Description of the vulnerability 

An attacker can force the usage of a freed memory area via TRB Creation of OVMF,...
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This computer weakness alert impacts software or systems such as Ubuntu.

Our Vigil@nce team determined that the severity of this weakness note is medium.

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

An attacker with a expert ability can exploit this weakness bulletin.

Solutions for this threat 

Solutions for this vulnerability are not yet public.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

Computer vulnerabilities tracking service 

Vigil@nce provides software vulnerability patches. Each administrator can customize the list of products for which he wants to receive vulnerability alerts.