QID 356445

Date Published: 2023-10-31

QID 356445: Amazon Linux Security Advisory for ceph-common : ALAS2-2023-2297

A flaw was found in rgw.
This flaw allows an unprivileged user to write to any bucket(s) accessible by a given key if a post's form-data contains a key called 'bucket' with a value matching the bucket's name used to sign the request.
This issue results in a user being able to upload to any bucket accessible by the specified access key as long as the bucket in the post policy matches the bucket in the said post form part. (
( CVE-2023-43040)



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 - 8.6 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2-2023-2297 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 356445

    CVE-2023-43040 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2023-2297 amazon linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2023-2297.html
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