ZDI-CAN-22893: ZDI-24-1000: (0Day) Avast Cleanup Premium Link Following Local Privilege Escalation Vulnerability
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.
Other sources
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 ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2024-7230.
— ZDI
Affected Software
Event History
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.