QID 354467

Date Published: 2022-12-21

QID 354467: Amazon Linux Security Advisory for lua : ALAS2022-2022-031

A stack overflow issue was discovered in lua in the lua_resume() function of ldo.c.
This flaw allows a local attacker to pass a specially crafted file to the lua interpreter, causing a crash that leads to a denial of service. (
( CVE-2021-43519) a flaw was found in lua.
An segv crash in the funcnamefromcode() function in ldebug.c during error handling occurs in __close metamethods.
This flaw allows an attacker to cause a denial of service. (
( CVE-2021-44647)



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 Medium - 5.5 severity.
  • CVSS V2 rated as Medium - 4.3 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2022-2022-031 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 354467

    CVE-2021-43519 | CVE-2021-44647 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2022-2022-031 amazon linux 2022 URL Logo alas.aws.amazon.com/AL2022/ALAS-2022-031.html
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