Spoofing attack in GNU Mailman
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-12108 |
| CWE-ID | CWE-451 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
Mailman Web applications / Webmail solutions |
| Vendor | GNU |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Spoofing attack
EUVDB-ID: #VU28635
Risk: Medium
CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2020-12108
CWE-ID:
CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data when processing email addresses. A remote attacker can create a specially crafted email and spoof content of email message.
Install updates from vendor's website.
Vulnerable software versionsMailman: 2.1.1 - 2.1.30
External linkshttp://lists.opensuse.org/opensuse-security-announce/2020-05/msg00036.html
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00003.html
http://bugs.launchpad.net/mailman/+bug/1873722
http://code.launchpad.net/mailman
http://lists.debian.org/debian-lts-announce/2020/05/msg00007.html
http://mail.python.org/pipermail/mailman-announce/
http://usn.ubuntu.com/4354-1/
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. However, proof of concept for this vulnerability is available.
