QID 355544

Date Published: 2023-07-03

QID 355544: Amazon Linux Security Advisory for mod_security : ALAS2-2023-2098

In modsecurity before 2.9.6 and 3.x before 3.0.8, http multipart requests were incorrectly parsed and could bypass the web application firewall.
Note: this is related to( CVE-2022-39956 but can be considered independent changes to the modsecurity (c language) codebase. (
( CVE-2022-48279) in modsecurity before 2.9.7, files_tmp_content sometimes lacked the complete content.
This can lead to a web application firewall bypass. (
( CVE-2023-24021)



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 - 7.5 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2-2023-2098 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 355544

    CVE-2022-48279 | CVE-2023-24021 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2023-2098 amazon linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2023-2098.html
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