ZDI-CAN-20383: ZDI-23-1475: (0Day) Avast Premium Security Sandbox Protection Link Following Privilege Escalation Vulnerability
First published: Wed Sep 27 2023(Updated: )
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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Avast Premium Security |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-20383?
The severity of ZDI-CAN-20383 is considered high due to its potential for privilege escalation.
How do I fix ZDI-CAN-20383?
To fix ZDI-CAN-20383, ensure that you update Avast Premium Security to the latest version provided by the vendor.
Who is affected by ZDI-CAN-20383?
ZDI-CAN-20383 affects users of Avast Premium Security installations.
What are the potential impacts of ZDI-CAN-20383?
The potential impact of ZDI-CAN-20383 includes unauthorized access and control over the system by exploiting local privilege escalation.
How does an attacker exploit ZDI-CAN-20383?
An attacker exploits ZDI-CAN-20383 by executing low-privileged code on the affected system to escalate privileges.
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