QID 353204

Date Published: 2022-04-08

QID 353204: Amazon Linux Security Advisory for glibc : ALAS-2022-1576

A stack based buffer-overflow vulnerability was found in the deprecated compatibility function svcunix_create() in the sunrpc's svc_unix.c module of the gnu c library (aka glibc) through 2.34.
This vulnerability copies its path argument onto the stack without validating its length, which may result in a buffer overflow, potentially resulting in a denial of service or (if an application is not built with a stack protector enabled) then it will lead to arbitrary code execution. (
( CVE-2022-23218) a stack based buffer-overflow vulnerability was found in the deprecated compatibility function clnt_create() in the sunrpc's clnt_gen.c module of the gnu c library (aka glibc) through 2.34.
This vulnerability copies its hostname argument onto the stack without validating its length, which may result in a buffer overflow, potentially resulting in a denial of service or (if an application is not built with a stack protector enabled) lead to arbitrary code execution. (
( CVE-2022-23219)



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 Critical - 9.8 severity.
  • CVSS V2 rated as High - 7.5 severity.
    • Solution
    Please refer to Amazon advisory: ALAS-2022-1576 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 353204

    CVE-2022-23218 | CVE-2022-23219 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS-2022-1576 Amazon Linux URL Logo alas.aws.amazon.com/ALAS-2022-1576.html
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