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Amazon Linux 2023: CVE-2023-35944: Important priority package update for ecs-service-connect-agent

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Amazon Linux 2023: CVE-2023-35944: Important priority package update for ecs-service-connect-agent

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:C/I:P/A:N)
Published
07/25/2023
Created
02/14/2025
Added
02/14/2025
Modified
02/14/2025

Description

Envoy is an open source edge and service proxy designed for cloud-native applications. Envoy allows mixed-case schemes in HTTP/2, however, some internal scheme checks are case-sensitive. Prior to versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12, this can lead to the rejection of requests with mixed-case schemes such as `htTp` or `htTps`, or the bypassing of some requests such as `https` in unencrypted connections. With a fix in versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12, Envoy will now lowercase scheme values by default, and change the internal scheme checks that were case-sensitive to be case-insensitive. There are no known workarounds for this issue.

Solution(s)

  • amazon-linux-2023-upgrade-ecs-service-connect-agent

References

  • https://attackerkb.com/topics/cve-2023-35944
  • CVE - 2023-35944
  • https://alas.aws.amazon.com/AL2023/ALAS-2023-300.html
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