#VU86900 Input validation error in Mime4j - CVE-2024-21742

Vulnerability identifier: #VU86900

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-21742

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mime4j
Other software / Other software solutions

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to manipulate MIME headers.

The vulnerability exists due to insufficient validation of user-supplied input when using MIME4J DOM for composing message. A remote attacker can manipulate headers inside a MIME message.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mime4j: 0.7 - 0.8.9

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External links
https://lists.apache.org/thread/nrqzg93219wdj056pqfszsd33dc54kfy

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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.