KLA71482 Multiple vulnerabilities in Microsoft Mariner

Multiple vulnerabilities were found in Microsoft Mariner. Malicious users can exploit these vulnerabilities to cause denial of service, gain privileges, spoof user interface.

Below is a complete list of vulnerabilities:

1. An out of bounds write vulnerability in grub can be exploited to exploited to execute arbitrary code or denial of service.
2. A buffer overflow vulnerability in grub_font_construct_glyph() can be exploited can be exploited to bypass security restrictions.

Original advisories

CVE-2022-3775

CVE-2022-2601

Related products

CBL-Mariner-2.0

CVE list

CVE-2022-2601 critical

CVE-2022-3775 high

Solution

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Impacts

• ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

• DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

• SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

• PE

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.

• SUI

Spoof user interface. Exploitation of vulnerabilities with this impact can lead to changes in user interface to beguile user into inaccurate behavior.

Affected Products

• CBL Mariner 2.0 x64CBL Mariner 2.0 ARMCBL Mariner 1.0 x64CBL Mariner 1.0 ARMAzure Linux 3.0 x64Azure Linux 3.0 ARM