#VU90709 Permissions, Privileges, and Access Controls in MiCollab and MiVoice Business Solution Virtual Instance (MiVB SVI) - CVE-2024-35315

Vulnerability identifier: #VU90709

Vulnerability risk: Low

CVSSv4.0: 7.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2024-35315

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
MiCollab
Server applications / Conferencing, Collaboration and VoIP solutions
MiVoice Business Solution Virtual Instance (MiVB SVI)
Server applications / Conferencing, Collaboration and VoIP solutions

Vendor: Mitel

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper file validation, which leads to security restrictions bypass and privilege escalation.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MiCollab: 9.7.1.110

MiVoice Business Solution Virtual Instance (MiVB SVI): 1.0.0.25

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External links
https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-24-0016
https://www.mitel.com/-/media/mitel/file/pdf/support/security-advisories/security-bulletin240016001-v10.pdf

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.