Use After Free Affecting busybox package, versions <1:1.35.0-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.17% (54th percentile)

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  • Snyk IDSNYK-DEBIAN13-BUSYBOX-5676161
  • published11 Nov 2021
  • disclosed15 Nov 2021

Introduced: 11 Nov 2021

CVE-2021-42378  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Debian:13 busybox to version 1:1.35.0-1 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 Debian. See How to fix? for Debian:13 relevant fixed versions and status.

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_i function

CVSS Scores

version 3.1