Spoofing attack in GnuPG

Published: 2018-06-11
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-12020
Exploitation vector Network
Public exploit N/A
Vulnerable software
Client/Desktop applications / Encryption software

Vendor GNU

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Spoofing attack

EUVDB-ID: #VU13258

Risk: Low


CVE-ID: CVE-2018-12020

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

Exploit availability: No


The vulnerability allows a remote attacker to conduct spoofing attack.

The vulnerability exists due to an input validation flaw in the processing of filenames when displaying the filename. A remote attacker can send a signed and encrypted email message that includes the specially crafted name of the original input file, spoof status messages and fake the verification status of a signed email message.


Update to version 2.2.8.

Vulnerable software versions

GnuPG: 2.2.4 - 2.2.7

CPE2.3 External links


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?