Spoofing attack in GnuPG - CVE-2018-12020
Published: June 10, 2018 / Updated: June 11, 2018
Vulnerability identifier: #VU13258
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-12020
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
GnuPG
GnuPG
Detailed vulnerability description
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.
How to mitigate CVE-2018-12020
Update to version 2.2.8.