OS command injection in SonicWall SRA and SMA100

1) OS Command Injection

EUVDB-ID: #VU61610

Risk: Medium

CVSSv3.1: 6.2 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-22273

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 execute arbitrary shell commands on the target system.

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

Note, the vulnerability affects end-of-life Secure Remote Access (SRA) series products, specifically appliances running all 8.x or 9.0.0.5-19sv and earlier versions.

Mitigation

Install updates from vendor's website.

Note,

Vulnerable software versions

SMA 100: 9.0.0.9-26sv

SonicWall Secure Remote Access (SRA): 9.0.0.5-19sv

External links

http://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0001

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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