Remote command execution in Splunk SOAR

1) OS Command Injection

EUVDB-ID: #VU78799

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-3997

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 attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote unauthenticated attacker can send a maliciously crafted web request containing special ANSI characters and inject arbitrary entries into the log file, which can lead to remote OS command execution when the log file is viewed via the terminal.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Splunk Security Orchestration, Automation and Response (SOAR): before 6.1.0

External links

http://advisory.splunk.com/advisories/SVD-2023-0702

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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