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Amazon Linux AMI: CVE-2022-39348: Security patch for python-twisted-web (ALAS-2023-1717)

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Amazon Linux AMI: CVE-2022-39348: Security patch for python-twisted-web (ALAS-2023-1717)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
10/26/2022
Created
05/05/2023
Added
04/06/2023
Modified
04/06/2023

Description

Twisted is an event-based framework for internet applications. Started with version 0.9.4, when the host header does not match a configured host `twisted.web.vhost.NameVirtualHost` will return a `NoResource` resource which renders the Host header unescaped into the 404 response allowing HTML and script injection. In practice this should be very difficult to exploit as being able to modify the Host header of a normal HTTP request implies that one is already in a privileged position. This issue was fixed in version 22.10.0rc1. There are no known workarounds.

Solution(s)

  • amazon-linux-upgrade-python-twisted-web

References

  • ALAS-2023-1717
  • CVE-2022-39348

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