Use After Free Affecting busybox package, versions <1.33.0-r8


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
1.22% (66th percentile)

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  • Snyk IDSNYK-ALPINE314-BUSYBOX-2953335
  • published19 Jul 2022
  • disclosed18 May 2022

Introduced: 18 May 2022

CVE-2022-30065  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Alpine:3.14 busybox to version 1.33.0-r8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream busybox package and not the busybox package as distributed by Alpine. See How to fix? for Alpine:3.14 relevant fixed versions and status.

A use-after-free in Busybox 1.35-x's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the copyvar function.

CVSS Base Scores

version 3.1