Information disclosure in GNU Mailman

1) Spoofing attack

EUVDB-ID: #VU14330

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-13796

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to conduct spoofing attack.

The vulnerability exists due to insufficient input validation. A remote attacker can submit a specially crafted URL and cause arbitrary text to be displayed on a web page from a trusted site.

Mitigation

Update to version 2.1.28.

Vulnerable software versions

Mailman: 1.0 - 2.1b1

External links

http://www.mail-archive.com/mailman-users@python.org/msg71003.html

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.