CVE Vulnerabilities

CVE-2020-11932

Insertion of Sensitive Information into Log File

Published: May 13, 2020 | Modified: Nov 21, 2024
CVSS 3.x
2.3
LOW
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
CVSS 2.x
2.1 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM

It was discovered that the Subiquity installer for Ubuntu Server logged the LUKS full disk encryption password if one was entered.

Weakness

Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.

Affected Software

Name Vendor Start Version End Version
Subiquity Canonical * 20.05.2 (excluding)
Subiquity Ubuntu bionic *
Subiquity Ubuntu eoan *
Subiquity Ubuntu esm-apps/bionic *
Subiquity Ubuntu esm-apps/focal *
Subiquity Ubuntu esm-apps/jammy *
Subiquity Ubuntu focal *
Subiquity Ubuntu groovy *
Subiquity Ubuntu hirsute *
Subiquity Ubuntu impish *
Subiquity Ubuntu jammy *
Subiquity Ubuntu kinetic *
Subiquity Ubuntu snap *
Subiquity Ubuntu trusty *
Subiquity Ubuntu upstream *

Extended Description

While logging all information may be helpful during development stages, it is important that logging levels be set appropriately before a product ships so that sensitive user data and system information are not accidentally exposed to potential attackers. Different log files may be produced and stored for:

Potential Mitigations

References