QID 352384

Date Published: 2021-06-24

QID 352384: Amazon Linux Security Advisory for python3: ALAS2-2021-1670

<DIV ID="issue_overview"> a flaw was found in python.
The built-in modules httplib and http.client (included in python 2 and python 3, respectively) do not properly validate crlf sequences in the http request method, potentially allowing manipulation to the request by injecting additional http headers.
The highest threat from this vulnerability is to confidentiality and integrity. (
cve-2020-26116 ) in python3's lib/test/multibytecodec_support.py cjk codec tests call eval() on content retrieved via http. (
cve-2020-27619 ) </DIV>

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.

Allows unauthorized disclosure of information; allows unauthorized modification; allows disruption of service.

  • CVSS V3 rated as Critical - 9.8 severity.
  • CVSS V2 rated as High - 7.5 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2-2021-1670 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 352384

    CVE-2020-26116 | CVE-2020-27619 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2021-1670 Amazon Linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2021-1670.html
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