SB2018120614 - OS Command Injection in misp-project MISP

Description

This security bulletin contains information about 1 vulnerability.

1) OS Command Injection (CVE-ID: CVE-2018-19908)

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

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber

The vulnerability allows a remote authenticated user to execute arbitrary code.

An issue was discovered in MISP 2.4.9x before 2.4.99. In app/Model/Event.php (the STIX 1 import code), an unescaped filename string is used to construct a shell command. This vulnerability can be abused by a malicious authenticated user to execute arbitrary commands by tweaking the original filename of the STIX import.

Remediation

Install update from vendor's website.

References

• https://github.com/MISP/MISP/commit/211ac0737281b65e7da160f0aac52f401a94e1a3
• https://github.com/MISP/MISP/releases/tag/v2.4.99
• https://www.exploit-db.com/exploits/46401/