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-24-1003?
The severity of ZDI-24-1003 is classified as a high-risk vulnerability allowing privilege escalation.
How do I fix ZDI-24-1003?
To fix ZDI-24-1003, ensure that you update Avast Free Antivirus to the latest version provided by the vendor.
Who is affected by ZDI-24-1003?
ZDI-24-1003 affects users of Avast Free Antivirus where local attackers can exploit the vulnerability.
What type of vulnerability is ZDI-24-1003?
ZDI-24-1003 is a privilege escalation vulnerability that allows local code execution.
What conditions must be met to exploit ZDI-24-1003?
An attacker must have access to execute low-privileged code on the target system to exploit ZDI-24-1003.
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