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Huawei EulerOS: CVE-2023-46218: curl security update

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Huawei EulerOS: CVE-2023-46218: curl security update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
12/07/2023
Created
03/14/2024
Added
03/13/2024
Modified
03/13/2024

Description

This flaw allows a malicious HTTP server to set "super cookies" in curl that are then passed back to more origins than what is otherwise allowed or possible. This allows a site to set cookies that then would get sent to different and unrelated sites and domains. It could do this by exploiting a mixed case flaw in curl's function that verifies a given cookie domain against the Public Suffix List (PSL). For example a cookie could be set with `domain=co.UK` when the URL used a lower case hostname `curl.co.uk`, even though `co.uk` is listed as a PSL domain.

Solution(s)

  • huawei-euleros-2_0_sp10-upgrade-curl
  • huawei-euleros-2_0_sp10-upgrade-libcurl

References

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