QID 355598

Date Published: 2023-07-24

QID 355598: Amazon Linux Security Advisory for libmicrohttpd : ALAS2-2023-2135

Gnu libmicrohttpd before 0.9.76 allows remote dos (denial of service) due to improper parsing of a multipart/form-data boundary in the postprocessor.c mhd_create_post_processor() method.
This allows an attacker to remotely send a malicious http post packet that includes one or more '\0' bytes in a multipart/form-data boundary field, which - assuming a specific heap layout - will result in an out-of-bounds read and a crash in the find_boundary() function. (
( CVE-2023-27371)



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 - 5.9 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2-2023-2135 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 355598

    CVE-2023-27371 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2023-2135 amazon linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2023-2135.html
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