Improper Handling of Exceptional Conditions Affecting busybox package, versions <1.31.1-r20


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.77% (82nd percentile)

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  • Snyk IDSNYK-ALPINE312-BUSYBOX-1089799
  • published31 Mar 2021
  • disclosed19 Mar 2021

Introduced: 19 Mar 2021

CVE-2021-28831  (opens in a new tab)
CWE-755  (opens in a new tab)

How to fix?

Upgrade Alpine:3.12 busybox to version 1.31.1-r20 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:3.12 relevant fixed versions and status.

decompress_gunzip.c in BusyBox through 1.32.1 mishandles the error bit on the huft_build result pointer, with a resultant invalid free or segmentation fault, via malformed gzip data.

CVSS Scores

version 3.1