(0Day) Cato Networks Cato Client for macOS Helper Service Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability
Vulnerability Details
This vulnerability allows local attackers to escalate privileges on affected installations of Cato Networks Cato Client for macOS. 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 Helper service. The issue results from the lack of proper locking when installing a package. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root.
Additional Details
04/17/24 – ZDI requested PSIRT contacts from the vendor
03/12/25 – ZDI reported the vulnerability to the vendor via https://vulnerabilityreport.catonetworks.com/
04/15/25 – ZDI informed the vendor of the intention to publish the case as a zero-day advisory
Disclosure Timeline
- 2025-03-11 - Vulnerability reported to vendor
- 2025-04-23 - Coordinated public release of advisory
- 2025-04-24 - Advisory Updated
Credit
@patch1t
