ZDI-24-1001: (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-2024-7231.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-24-1001?
The severity of ZDI-24-1001 is considered critical as it allows local attackers to escalate privileges.
How do I fix ZDI-24-1001?
To fix ZDI-24-1001, update Avast Cleanup Premium to the latest version released by the vendor.
Who is affected by ZDI-24-1001?
ZDI-24-1001 affects users of Avast Cleanup Premium installations.
What type of attack is ZDI-24-1001 associated with?
ZDI-24-1001 is associated with local privilege escalation attacks.
Is it necessary to have privileged access to exploit ZDI-24-1001?
Yes, an attacker must first execute low-privileged code on the target system to exploit ZDI-24-1001.