SB2022050523 - Multiple vulnerabilities in Avast Antivirus and AVG Antivirus

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Main Vulnerability Database SB2022050523

SB2022050523 - Multiple vulnerabilities in Avast Antivirus and AVG Antivirus

Published: May 5, 2022

Security Bulletin ID SB2022050523
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-26522)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in the "Anti Rootkit" driver within the kernel driver "aswArPot.sys" in aswArPot+0xc4a3, which leads to security restrictions bypass and privilege escalation.


2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-26523)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in the "Anti Rootkit" driver in aswArPot+0xc4a3, which leads to security restrictions bypass and privilege escalation.


Remediation

Install update from vendor's website.

References