ZDI-CAN-22806: ZDI-24-999: (0Day) Avast Free Antivirus Link Following Denial-of-Service Vulnerability
This vulnerability allows local attackers to create a denial-of-service condition 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 create a folder. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.
Other sources
This vulnerability allows local attackers to create a denial-of-service condition 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 ZDI has assigned a CVSS rating of 6.1. The following CVEs are assigned: CVE-2024-7228.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-22806?
ZDI-CAN-22806 has been classified as a denial-of-service vulnerability, which can significantly impact the availability of affected systems.
How do I fix ZDI-CAN-22806?
To mitigate ZDI-CAN-22806, ensure that your Avast Free Antivirus is updated to the latest version provided by the vendor.
Who is affected by ZDI-CAN-22806?
ZDI-CAN-22806 affects installations of Avast Free Antivirus.
What kind of attack vector is used in ZDI-CAN-22806?
ZDI-CAN-22806 requires local access to the system with the ability to execute low-privileged code for exploitation.
What happens if ZDI-CAN-22806 is exploited?
Exploitation of ZDI-CAN-22806 can lead to a denial-of-service condition, rendering the antivirus software ineffective.