ZDI-CAN-22272: ZDI-24-1003: (0Day) Avast Free Antivirus AvastSvc 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 Free Antivirus. 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 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 Antivirus |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-22272?
The severity of ZDI-CAN-22272 is categorized as a high-risk vulnerability due to potential privilege escalation.
How do I fix ZDI-CAN-22272?
To fix ZDI-CAN-22272, ensure that you update your Avast Free Antivirus to the latest version provided by the vendor.
What type of attack does ZDI-CAN-22272 enable?
ZDI-CAN-22272 enables local attackers to escalate privileges on systems where Avast Free Antivirus is installed.
What are the prerequisites for exploiting ZDI-CAN-22272?
An attacker must obtain the ability to execute low-privileged code on the target system to exploit ZDI-CAN-22272.
Which software is affected by ZDI-CAN-22272?
ZDI-CAN-22272 affects the Avast Free Antivirus software.
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