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Amazon Linux AMI: CVE-2021-42378: Security patch for busybox (ALAS-2022-1558)

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Amazon Linux AMI: CVE-2021-42378: Security patch for busybox (ALAS-2022-1558)

Severity
7
CVSS
(AV:N/AC:L/Au:S/C:P/I:P/A:P)
Published
11/15/2021
Created
01/22/2022
Added
01/20/2022
Modified
01/20/2022

Description

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

Solution(s)

  • amazon-linux-upgrade-busybox

References

  • ALAS-2022-1558
  • CVE-2021-42378
  • USN-5179-1

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