Alpine: multiple buildah packages: security update to 1.21.2-r0 (deprecated)

medium Tenable Cloud Security Plugin ID 400187

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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). (CVE-2021-3602)

Plugin Details

Severity: Medium

ID: 400187

Version: Revision 1.25

Type: Local

Family: Alpine Linux Local Security Checks

Published: 8/16/2023

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Low

Base Score: 1.9

Temporal Score: 1.4

Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2021-3602

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 7/17/2021

Vulnerability Publication Date: 7/15/2021

Reference Information

CVE: CVE-2021-3602

Detections

Analytics