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 GRUB2: integer overflow via Initrd Size Handling

Synthesis of the vulnerability 

An attacker can trigger an integer overflow via Initrd Size Handling of GRUB2, in order to trigger a denial of service, and possibly to run code.
Vulnerable products: Debian, Windows 10, Windows 2012, Windows 2016, Windows 2019, Windows 8, Windows RT, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu, Unix (platform) ~ not comprehensive.
Severity of this weakness: 1/4.
Creation date: 30/07/2020.
Références of this bulletin: ADV200011, CERTFR-2020-AVI-475, CERTFR-2020-AVI-476, CERTFR-2020-AVI-477, CERTFR-2020-AVI-485, CVE-2020-15707, DSA-4735-1, DSA-4735-2, openSUSE-SU-2020:1168-1, openSUSE-SU-2020:1169-1, RHSA-2020:3216-01, RHSA-2020:3217-01, RHSA-2020:3223-01, RHSA-2020:3227-01, RHSA-2020:3271-01, RHSA-2020:3273-01, RHSA-2020:3274-01, RHSA-2020:3275-01, RHSA-2020:3276-01, SUSE-SU-2020:14440-1, SUSE-SU-2020:2073-1, SUSE-SU-2020:2074-1, SUSE-SU-2020:2076-1, SUSE-SU-2020:2077-1, SUSE-SU-2020:2078-1, SUSE-SU-2020:2079-1, USN-4432-1, USN-4432-2, VIGILANCE-VUL-32958.

Description of the vulnerability 

An attacker can trigger an integer overflow via Initrd Size Handling of GRUB2, i...
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This computer weakness bulletin impacts software or systems such as Debian, Windows 10, Windows 2012, Windows 2016, Windows 2019, Windows 8, Windows RT, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu, Unix (platform) ~ not comprehensive.

Our Vigil@nce team determined that the severity of this computer threat announce is low.

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

An attacker with a expert ability can exploit this threat announce.

Solutions for this threat 

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

Computer vulnerabilities tracking service 

Vigil@nce provides a computer vulnerability watch. The technology watch team tracks security threats targeting the computer system.