SonicWALL NSv setSshdConfig Exposed Dangerous Function Local Privilege Escalation Vulnerability
Vulnerability Details
This vulnerability allows local attackers to escalate privileges on affected installations of SonicWALL NSv. An attacker must first obtain the ability to execute low-privileged code on the target system or send a TCP packet to a local service in order to exploit this vulnerability.
The specific flaw exists within the setSshdConfig command. The issue results from an exposed dangerous function. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root.
Additional Details
SonicWALL has issued an update to correct this vulnerability. More details can be found at:
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0003
Disclosure Timeline
- 2024-11-05 - Vulnerability reported to vendor
- 2025-01-09 - Coordinated public release of advisory
- 2025-01-09 - Advisory Updated
Credit
Daan Keuper, Thijs Alkemade and Khaled Nassar of Computest Security