#VU67496 Man-in-the-Middle (MitM) attack in Apache James - CVE-2022-28220

Vulnerability identifier: #VU67496

Vulnerability risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-28220

CWE-ID: CWE-300

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache James
Server applications / Mail servers

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to improper input validation when processing STARTTLS command buffers. A remote attacker can send specially crafted requests to the application and perform a man-in-the-middle (MitM) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache James: 2.1 - 2.1.3, 2.2.0, 2.3.0 - 2.3.2.1, 3.0 M1 - 3.0.1, 3.1.0, 3.2.0, 3.3.0, 3.4.0, 3.5.0, 3.6.0 - 3.6.2, 3.7.0

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External links
https://james.apache.org/james/update/2022/08/26/james-3.7.1.html

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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.