#VU78799 OS Command Injection in Splunk Security Orchestration, Automation and Response (SOAR) - CVE-2023-3997

Vulnerability identifier: #VU78799

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-3997

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Splunk Security Orchestration, Automation and Response (SOAR)
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Splunk Inc.

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

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External links
https://advisory.splunk.com/advisories/SVD-2023-0702

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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.