ZDI-CAN-22893: ZDI-24-1000: (0Day) Avast Cleanup Premium Link Following Local Privilege Escalation Vulnerability
First published: Mon Jul 29 2024(Updated: )
This vulnerability allows local attackers to escalate privileges on affected installations of Avast Cleanup Premium. 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 Avast Cleanup Service. By creating a symbolic link, an attacker can abuse the service to delete a file. 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 Cleanup Premium |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-22893?
The severity of ZDI-CAN-22893 is considered high due to its potential for local privilege escalation.
How do I fix ZDI-CAN-22893?
To fix ZDI-CAN-22893, update your Avast Cleanup Premium to the latest version released by Avast.
Who is affected by ZDI-CAN-22893?
ZDI-CAN-22893 affects installations of Avast Cleanup Premium on vulnerable systems.
What does ZDI-CAN-22893 allow an attacker to do?
ZDI-CAN-22893 allows local attackers to escalate privileges and execute higher-privileged code on the target system.
What must an attacker do before exploiting ZDI-CAN-22893?
An attacker must first obtain the ability to execute low-privileged code on the target system before exploiting ZDI-CAN-22893.
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