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Ubuntu: (Multiple Advisories) (CVE-2023-46218): curl vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2023-46218): curl vulnerabilities

Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:N)
Published
12/07/2023
Created
12/09/2023
Added
12/08/2023
Modified
01/30/2025

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)

  • ubuntu-pro-upgrade-curl
  • ubuntu-pro-upgrade-libcurl3
  • ubuntu-pro-upgrade-libcurl3-gnutls
  • ubuntu-pro-upgrade-libcurl3-nss
  • ubuntu-pro-upgrade-libcurl4

References

  • https://attackerkb.com/topics/cve-2023-46218
  • CVE - 2023-46218
  • USN-6535-1
  • USN-6641-1
  • 查看数 703
  • 已创建
  • 最后回复

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