CVE-2018-12020

Public on 2018-06-27
Modified on 2018-08-09
Description
A data validation flaw was found in the way gnupg processes file names during decryption and signature validation. An attacker may be able to inject messages into gnupg verbose message logging which may have the potential to bypass the integrity of signature authentication mechanisms and could have other unintended consequences if applications take action(s) based on parsed verbose gnupg output.
Severity
Important
CVSS v3 Base Score
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 gnupg2 2018-08-08 16:34 ALAS2-2018-1045
Amazon Linux 1 gnupg 2018-06-27 21:57 ALAS-2018-1045
Amazon Linux 1 gnupg2 2018-06-27 21:57 ALAS-2018-1045

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N
NVD CVSSv3 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N