QID 352386

Date Published: 2021-06-24

QID 352386: Amazon Linux Security Advisory for python-urllib3: ALAS2-2021-1668

<DIV ID="issue_overview"> a flaw was found in python-urllib3.
The httpconnection.request() does not properly validate crlf sequences in the http request method, potentially allowing manipulation of the request by injecting additional http headers.
The highest threat from this vulnerability is to confidentiality and integrity. (
cve-2020-26137 ) </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 High - 6.5 severity.
  • CVSS V2 rated as High - 6.4 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2-2021-1668 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 352386

    CVE-2020-26137 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2021-1668 Amazon Linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2021-1668.html
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