ZDI-24-1004: (0Day) Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability
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 folder. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.
Other sources
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 ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2024-7232.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-24-1004?
The severity of ZDI-24-1004 is classified as high due to its potential for privilege escalation.
How do I fix ZDI-24-1004?
To fix ZDI-24-1004, users should update their Avast Free Antivirus software to the latest version provided by the vendor.
Who is affected by vulnerability ZDI-24-1004?
Vulnerability ZDI-24-1004 affects installations of Avast Free Antivirus.
Can ZDI-24-1004 be exploited remotely?
No, ZDI-24-1004 requires local access to the system to exploit the vulnerability.
What type of attack does ZDI-24-1004 facilitate?
ZDI-24-1004 facilitates local privilege escalation attacks on affected systems.