QID 353116

Date Published: 2022-01-24

QID 353116: Amazon Linux Security Advisory for busybox : ALAS-2022-1558

A flaw was found in busybox, where it did not properly sanitize while processing a crafted shell command, leading to a denial of service.
The highest threat from this vulnerability is to system availability. (
( CVE-2021-42376) a flaw was found in busybox, where it did not properly sanitize while processing a crafted awk pattern, leading to possible code execution.
The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. (
( CVE-2021-42378) a flaw was found in busybox, where it did not properly sanitize while processing a crafted awk pattern in the next_input_file function, leading to possible code execution.
( CVE-2021-42379) a flaw was found in busybox, where it did not properly sanitize while processing a crafted awk pattern in the handle_special function, leading to possible code execution.
( CVE-2021-42384) a flaw was found in busybox, where it did not properly sanitize while processing a crafted awk pattern in the evaluate function, leading to possible code execution.
( CVE-2021-42385) a flaw was found in busybox, where it did not properly sanitize while processing a crafted awk pattern in the nvalloc function, leading to possible code execution.
( CVE-2021-42386)



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as High - 7.2 severity.
  • CVSS V2 rated as High - 6.5 severity.
    • Solution
    Please refer to Amazon advisory: ALAS-2022-1558 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 353116

    CVE-2021-42385 | CVE-2021-42376 | CVE-2021-42378 | CVE-2021-42384 | CVE-2021-42379 | CVE-2021-42386 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS-2022-1558 Amazon Linux URL Logo alas.aws.amazon.com/ALAS-2022-1558.html
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