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SUSE: CVE-2023-46218: SUSE Linux Security Advisory

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SUSE: CVE-2023-46218: SUSE Linux Security Advisory

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
12/06/2023
Created
12/08/2023
Added
12/07/2023
Modified
12/14/2023

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)

  • suse-upgrade-curl
  • suse-upgrade-libcurl-devel
  • suse-upgrade-libcurl-devel-32bit
  • suse-upgrade-libcurl4
  • suse-upgrade-libcurl4-32bit

References

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