Description
Link Following Local Privilege Escalation Vulnerability in TuneupSvc in Gen Digital Inc. Avast Cleanup Premium Version 24.2.16593.17810 on Windows 10 Pro x64 allows local attackers to escalate privileges and execute arbitrary code in the context of SYSTEM via creating a symbolic link and leveraging a TOCTTOU (time-of-check to time-of-use) attack.
Problem types
CWE-59 Improper Link Resolution Before File Access ('Link Following')
Product status
24.2.16593.17810
24.3.17165.19178
Credits
Vladislav Berghici of Trend Micro
Zero Day Initiative
References
www.gendigital.com/us/en/contact-us/security-advisories/