Use After Free Affecting busybox package, versions [0,1.34.0)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.24% (63rd percentile)

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  • Snyk IDSNYK-UNMANAGED-BUSYBOX-2327395
  • published29 Dec 2021
  • disclosed15 Nov 2021
  • creditUnknown

Introduced: 15 Nov 2021

CVE-2021-42382  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade busybox to version 1.34.0 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free. A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the getvar_s function

CVSS Scores

version 3.1