Privilege escalation in SonicWall SSL-VPN SMA100 series

1) OS Command Injection

EUVDB-ID: #VU63353

Risk: Low

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1703

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to improper input validation in the management interface interface. A remote authenticated user can pass specially crafted data to the application and execute arbitrary OS commands on the target system with root privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SMA 100: 10.2.0.2-20sv - 10.2.1.4-31sv

External links

http://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0010

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.