Link following in Avast Antivirus - CVE-2024-7233
Published: August 8, 2024
Vulnerability identifier: #VU95567
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-7233
CWE-ID: CWE-59
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists dye to incorrect handling of symbolic links within the Avast Service (AvastSvc). A local user can create a symbolic link to a critical folder on the system and delete it, which can result in privilege escalation.
Affected software
Avast Antivirus
How to mitigate CVE-2024-7233
Install updates from vendor's website.
Avast Antivirus - update to 24.7.9311