SB2022102046 - Unauthenticated file upload in Mitel MiCollab

Description

This security bulletin contains information about 1 vulnerability.

1) Arbitrary file upload (CVE-ID: CVE-2022-41326)

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

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

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to missing authorization checks and insufficient validation of files during file upload. A remote non-authenticated attacker can upload a malicious file to the server and execute it.

Successful exploitation of the vulnerability may allow an attacker to compromise the entire system.

Remediation

Install update from vendor's website.

References

• https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-22-0009
• https://www.mitel.com/-/media/mitel/file/pdf/support/security-advisories/security-bulletin_22-0009-001-v1.pdf