QID 354475

Date Published: 2022-12-21

QID 354475: Amazon Linux Security Advisory for nodejs : ALAS2022-2022-013

An http request smuggling (hrs) vulnerability was found in the llhttp library, used by node.
Js.
Spaces as part of the header names were accepted as valid.
In situations where http conversations are being proxied (such as proxy, reverse-proxy, load-balancer), an attacker can use this flaw to inject arbitrary messages through the proxy.
The highest threat from this vulnerability is to confidentiality and integrity. (
( CVE-2021-22959) an http request smuggling (hrs) vulnerability was found in the llhttp library, used by node.
During the parsing of chunked messages, the chunk size parameter was not validated properly.
( CVE-2021-22960)



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 - 6.5 severity.
  • CVSS V2 rated as High - 6.4 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2022-2022-013 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 354475

    CVE-2021-22959 | CVE-2021-22960 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2022-2022-013 amazon linux 2022 URL Logo alas.aws.amazon.com/AL2022/ALAS-2022-013.html
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