his 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.
30 Jun 2025, 17:15
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | CWE-178 |
13 Feb 2025, 18:15
| Type | Values Removed | Values Added |
|---|---|---|
| Summary | (en) 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. |
21 Nov 2024, 08:28
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://curl.se/docs/CVE-2023-46218.html - Patch, Vendor Advisory | |
| References | () https://hackerone.com/reports/2212193 - Exploit, Issue Tracking, Patch, Third Party Advisory | |
| References | () https://lists.debian.org/debian-lts-announce/2023/12/msg00015.html - | |
| References | () https://lists.fedoraproject.org/archives/list/[email protected]/message/3ZX3VW67N4ACRAPMV2QS2LVYGD7H2MVE/ - Mailing List, Third Party Advisory | |
| References | () https://lists.fedoraproject.org/archives/list/[email protected]/message/UOGXU25FMMT2X6UUITQ7EZZYMJ42YWWD/ - | |
| References | () https://security.netapp.com/advisory/ntap-20240125-0007/ - | |
| References | () https://www.debian.org/security/2023/dsa-5587 - |
Published : 2023-12-07 01:15
Updated : 2025-06-30 17:15
NVD link : CVE-2023-46218
Mitre link : CVE-2023-46218
CVE.ORG link : CVE-2023-46218
JSON object : View