Description
Link Following Local Privilege Escalation Vulnerability in TuneUp Service in AVG TuneUp Version 23.4 (build 15592) on Windows 10 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')
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
Product status
23.4 (custom)
24.1 31.7.2024 (custom)
Credits
Zero Day Initiative
References
www.gendigital.com/us/en/contact-us/security-advisories/