QID 354908

Date Published: 2023-05-03

QID 354908: Amazon Linux Security Advisory for pcs : ALAS2-2023-2022

The ruby on rails advisory describes this vulnerability as follows: carefully crafted input can cause header parsing in rack to take an unexpected amount of time, possibly resulting in a denial of service attack vector.
Any applications that parse headers using rack (virtually all rails applications) are impacted. (
( CVE-2023-27539)



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: ALAS2-2023-2022 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 354908

    CVE-2023-27539 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2023-2022 amazon linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2023-2022.html
    By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].