ZDI-CAN-22892: ZDI-24-1002: (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-2024-7229.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-22892?
The severity of ZDI-CAN-22892 is classified as high due to its potential for privilege escalation.
How do I fix ZDI-CAN-22892?
To fix ZDI-CAN-22892, ensure that Avast Cleanup Premium is updated to the latest version provided by the vendor.
Who is affected by ZDI-CAN-22892?
ZDI-CAN-22892 affects users of Avast Cleanup Premium on systems where low-privileged code execution is possible.
What type of vulnerability is ZDI-CAN-22892?
ZDI-CAN-22892 is a privilege escalation vulnerability that allows local attackers to gain elevated access.
What are the prerequisites for exploiting ZDI-CAN-22892?
An attacker must first obtain the ability to execute low-privileged code on the target system to exploit ZDI-CAN-22892.