CVE-2023-46218 (GCVE-0-2023-46218)
Vulnerability from cvelistv5 – Published: 2023-12-07 01:10 – Updated: 2026-07-14 12:07
VLAI
EPSS
VEX
Summary
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.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-28 16:38 UTC
CWE
- CWE-178 - Improper Handling of Case Sensitivity
Assigner
References
11 references
Impacted products
16 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| curl | curl |
Affected:
8.4.0 , ≤ 8.4.0
(semver)
Unaffected: 7.46.0 , < 7.46.0 (semver) |
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
guessed | |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
guessed | |
| Siemens | RUGGEDCOM ROX MX5000 |
Affected:
0 , < V2.17.0
(custom)
|
guessed | |
| Siemens | RUGGEDCOM ROX MX5000RE |
Affected:
0 , < V2.17.0
(custom)
|
guessed | |
| Siemens | RUGGEDCOM ROX RX1400 |
Affected:
0 , < V2.17.0
(custom)
|
guessed | |
| Siemens | RUGGEDCOM ROX RX1500 |
Affected:
0 , < V2.17.0
(custom)
|
guessed | |
| Siemens | RUGGEDCOM ROX RX1501 |
Affected:
0 , < V2.17.0
(custom)
|
guessed | |
| Siemens | RUGGEDCOM ROX RX1510 |
Affected:
0 , < V2.17.0
(custom)
|
guessed | |
| Siemens | RUGGEDCOM ROX RX1511 |
Affected:
0 , < V2.17.0
(custom)
|
guessed | |
| Siemens | RUGGEDCOM ROX RX1512 |
Affected:
0 , < V2.17.0
(custom)
|
guessed | |
| Siemens | RUGGEDCOM ROX RX1524 |
Affected:
0 , < V2.17.0
(custom)
|
guessed | |
| Siemens | RUGGEDCOM ROX RX1536 |
Affected:
0 , < V2.17.0
(custom)
|
guessed | |
| Siemens | RUGGEDCOM ROX RX5000 |
Affected:
0 , < V2.17.0
(custom)
|
guessed | |
| Siemens | SINEC NMS |
Affected:
0 , < V3.0 SP1
(custom)
|
guessed |
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"dateUpdated": "2024-01-25T14:06:39.330Z",
"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
"shortName": "hackerone"
},
"references": [
{
"url": "https://hackerone.com/reports/2212193"
},
{
"url": "https://curl.se/docs/CVE-2023-46218.html"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3ZX3VW67N4ACRAPMV2QS2LVYGD7H2MVE/"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UOGXU25FMMT2X6UUITQ7EZZYMJ42YWWD/"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00015.html"
},
{
"url": "https://www.debian.org/security/2023/dsa-5587"
},
{
"url": "https://security.netapp.com/advisory/ntap-20240125-0007/"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
"assignerShortName": "hackerone",
"cveId": "CVE-2023-46218",
"datePublished": "2023-12-07T01:10:34.846Z",
"dateReserved": "2023-10-19T01:00:12.854Z",
"dateUpdated": "2026-07-14T12:07:25.275Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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