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CVE-2023-42125: 
Avast Premium Security vulnerability analysis and mitigation

Avast Premium Security Sandbox Protection Link Following Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Premium Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the implementation of the sandbox feature. By creating a symbolic link, an attacker can abuse the service to create arbitrary namespace objects. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. . Was ZDI-CAN-20383.


Source: NVD

Related Avast Premium Security vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2023-42125HIGH7.8
  • Avast Premium Security logoAvast Premium Security
  • cpe:2.3:a:avast:premium_security
NoNoMay 03, 2024
CVE-2023-42124HIGH7.8
  • Avast Premium Security logoAvast Premium Security
  • cpe:2.3:a:avast:premium_security
NoNoMay 03, 2024
CVE-2022-28964HIGH7.1
  • Avast Premium Security logoAvast Premium Security
  • cpe:2.3:a:avast:premium_security
NoYesMay 20, 2022
CVE-2022-28965MEDIUM6.5
  • Avast Premium Security logoAvast Premium Security
  • cpe:2.3:a:avast:premium_security
NoYesMay 20, 2022
CVE-2021-27241MEDIUM6.1
  • Avast Premium Security logoAvast Premium Security
  • cpe:2.3:a:avast:premium_security
NoYesMar 29, 2021

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