Improper Handling of Exceptional Conditions Affecting busybox-petitboot package, versions <1:1.19.3-2.12.amzn1


Severity

Recommended
medium

Based on Amazon Linux security rating

    Threat Intelligence

    EPSS
    0.77% (82nd percentile)

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  • Snyk ID SNYK-AMZN201803-BUSYBOXPETITBOOT-1725870
  • published 27 Sep 2021
  • disclosed 19 Mar 2021

How to fix?

Upgrade Amazon-Linux:2018.03 busybox-petitboot to version 1:1.19.3-2.12.amzn1 or higher.
This issue was patched in ALAS-2021-1496.

NVD Description

Note: Versions mentioned in the description apply only to the upstream busybox-petitboot package and not the busybox-petitboot package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 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
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NVD

7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
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Red Hat

7.5 high
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SUSE

7.5 high