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

0.0
high

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.56% (78th percentile)
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NVD
7.5 high
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Red Hat
7.5 high
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SUSE
7.5 high

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  • Snyk ID SNYK-ALPINE312-BUSYBOX-1089799
  • published 31 Mar 2021
  • disclosed 19 Mar 2021
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Introduced: 19 Mar 2021

CVE-2021-28831 Open this link in a new tab
CWE-755 Open this link 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.

References