Vulnerability identifier: #VU7654

Vulnerability risk: Low

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-9801

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Commons Email
Client/Desktop applications / Messaging software

Vendor: Apache Foundation

Description
The vulnerability allows a remote attacker to inject arbitrary files.

The weakness exists due to improper input validation flaw in the setSubject() method. A remote attacker can supply a specially crafted value containing line break characters, inject SMTP headers and perform further attack.

Mitigation
Update to version 1.5.

Vulnerable software versions

Commons Email: 1.0 - 1.4

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External links
http://commons.apache.org/proper/commons-email/security-reports.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.