Improper certificate validation in Proofpoint Insider Threat Management agent for macOS

1) Improper Certificate Validation

EUVDB-ID: #VU80805

Risk: Medium

CVSSv4.0: 6.2 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-4801

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to improper certification validation. A remote attacker with ability to intercept communication between agent and server can perform MitM attack and compromise the vulnerable agent.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Insider Threat Management Agent for macOS: All versions

CPE2.3

• cpe:2.3:a:proofpoint:insider_threat_management_agent_for_macos:*:*:*:*:*:*:*:*

External links

https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2023-006

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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