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CVE-2021-3602

Published: 3 March 2022

An information disclosure flaw was found in Buildah, when building containers using chroot isolation. Running processes in container builds (e.g. Dockerfile RUN commands) can access environment variables from parent and grandparent processes. When run in a container in a CI/CD environment, environment variables may include sensitive information that was shared with the container in order to be used only by Buildah itself (e.g. container registry credentials).

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
golang-github-containers-buildah
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

groovy Ignored
(reached end-of-life)
hirsute Ignored
(reached end-of-life)
impish Ignored
(reached end-of-life)
jammy Needed

kinetic Needed

lunar Needed

trusty Does not exist

upstream Needs triage

xenial Ignored
(out of standard support)

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N