OESA-2023-1913 (CVE-2023-46218)
Vulnerability from osv_openeuler – Published: 2023-12-15 11:06 – Updated: 2026-08-06 11:06 – Source websitecURL is a computer software project providing a library (libcurl) and command-line tool (curl) for transferring data using various protocols.
Security Fix(es):
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.
(CVE-2023-46218)
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"aarch64": [
"curl-debuginfo-7.71.1-32.oe1.aarch64.rpm",
"curl-debugsource-7.71.1-32.oe1.aarch64.rpm",
"curl-7.71.1-32.oe1.aarch64.rpm",
"libcurl-7.71.1-32.oe1.aarch64.rpm",
"libcurl-devel-7.71.1-32.oe1.aarch64.rpm"
],
"noarch": [
"curl-help-7.71.1-32.oe1.noarch.rpm"
],
"src": [
"curl-7.71.1-32.oe1.src.rpm"
],
"x86_64": [
"libcurl-7.71.1-32.oe1.x86_64.rpm",
"libcurl-devel-7.71.1-32.oe1.x86_64.rpm",
"curl-7.71.1-32.oe1.x86_64.rpm",
"curl-debuginfo-7.71.1-32.oe1.x86_64.rpm",
"curl-debugsource-7.71.1-32.oe1.x86_64.rpm"
]
},
"package": {
"ecosystem": "openEuler:20.03-LTS-SP1",
"name": "curl",
"purl": "pkg:rpm/openEuler/curl\u0026distro=openEuler-20.03-LTS-SP1"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "7.71.1-32.oe1"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"ecosystem_specific": {
"aarch64": [
"curl-7.71.1-32.oe1.aarch64.rpm",
"curl-debuginfo-7.71.1-32.oe1.aarch64.rpm",
"curl-debugsource-7.71.1-32.oe1.aarch64.rpm",
"libcurl-devel-7.71.1-32.oe1.aarch64.rpm",
"libcurl-7.71.1-32.oe1.aarch64.rpm"
],
"noarch": [
"curl-help-7.71.1-32.oe1.noarch.rpm"
],
"src": [
"curl-7.71.1-32.oe1.src.rpm"
],
"x86_64": [
"curl-debugsource-7.71.1-32.oe1.x86_64.rpm",
"curl-debuginfo-7.71.1-32.oe1.x86_64.rpm",
"libcurl-devel-7.71.1-32.oe1.x86_64.rpm",
"curl-7.71.1-32.oe1.x86_64.rpm",
"libcurl-7.71.1-32.oe1.x86_64.rpm"
]
},
"package": {
"ecosystem": "openEuler:20.03-LTS-SP3",
"name": "curl",
"purl": "pkg:rpm/openEuler/curl\u0026distro=openEuler-20.03-LTS-SP3"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "7.71.1-32.oe1"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"ecosystem_specific": {
"aarch64": [
"libcurl-7.79.1-25.oe2203.aarch64.rpm",
"curl-debuginfo-7.79.1-25.oe2203.aarch64.rpm",
"libcurl-devel-7.79.1-25.oe2203.aarch64.rpm",
"curl-7.79.1-25.oe2203.aarch64.rpm",
"curl-debugsource-7.79.1-25.oe2203.aarch64.rpm",
"libcurl-devel-7.79.1-25.oe2203sp1.aarch64.rpm",
"curl-7.79.1-25.oe2203sp1.aarch64.rpm",
"curl-debuginfo-7.79.1-25.oe2203sp1.aarch64.rpm",
"libcurl-7.79.1-25.oe2203sp1.aarch64.rpm",
"curl-debugsource-7.79.1-25.oe2203sp1.aarch64.rpm",
"curl-debuginfo-7.79.1-25.oe2203sp2.aarch64.rpm",
"libcurl-7.79.1-25.oe2203sp2.aarch64.rpm",
"libcurl-devel-7.79.1-25.oe2203sp2.aarch64.rpm",
"curl-debugsource-7.79.1-25.oe2203sp2.aarch64.rpm",
"curl-7.79.1-25.oe2203sp2.aarch64.rpm"
],
"noarch": [
"curl-help-7.79.1-25.oe2203.noarch.rpm",
"curl-help-7.79.1-25.oe2203sp1.noarch.rpm",
"curl-help-7.79.1-25.oe2203sp2.noarch.rpm"
],
"src": [
"curl-7.79.1-25.oe2203.src.rpm",
"curl-7.79.1-25.oe2203sp1.src.rpm",
"curl-7.79.1-25.oe2203sp2.src.rpm"
],
"x86_64": [
"curl-7.79.1-25.oe2203.x86_64.rpm",
"libcurl-7.79.1-25.oe2203.x86_64.rpm",
"curl-debugsource-7.79.1-25.oe2203.x86_64.rpm",
"libcurl-devel-7.79.1-25.oe2203.x86_64.rpm",
"curl-debuginfo-7.79.1-25.oe2203.x86_64.rpm",
"curl-7.79.1-25.oe2203sp1.x86_64.rpm",
"libcurl-devel-7.79.1-25.oe2203sp1.x86_64.rpm",
"libcurl-7.79.1-25.oe2203sp1.x86_64.rpm",
"curl-debugsource-7.79.1-25.oe2203sp1.x86_64.rpm",
"curl-debuginfo-7.79.1-25.oe2203sp1.x86_64.rpm",
"curl-debugsource-7.79.1-25.oe2203sp2.x86_64.rpm",
"libcurl-7.79.1-25.oe2203sp2.x86_64.rpm",
"libcurl-devel-7.79.1-25.oe2203sp2.x86_64.rpm",
"curl-7.79.1-25.oe2203sp2.x86_64.rpm",
"curl-debuginfo-7.79.1-25.oe2203sp2.x86_64.rpm"
]
},
"package": {
"ecosystem": "openEuler:22.03-LTS",
"name": "curl",
"purl": "pkg:rpm/openEuler/curl\u0026distro=openEuler-22.03-LTS"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "7.79.1-25.oe2203sp2"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"ecosystem_specific": {
"aarch64": [
"libcurl-devel-7.79.1-25.oe2203sp1.aarch64.rpm",
"curl-7.79.1-25.oe2203sp1.aarch64.rpm",
"curl-debuginfo-7.79.1-25.oe2203sp1.aarch64.rpm",
"libcurl-7.79.1-25.oe2203sp1.aarch64.rpm",
"curl-debugsource-7.79.1-25.oe2203sp1.aarch64.rpm"
],
"noarch": [
"curl-help-7.79.1-25.oe2203sp1.noarch.rpm"
],
"src": [
"curl-7.79.1-25.oe2203sp1.src.rpm"
],
"x86_64": [
"curl-7.79.1-25.oe2203sp1.x86_64.rpm",
"libcurl-devel-7.79.1-25.oe2203sp1.x86_64.rpm",
"libcurl-7.79.1-25.oe2203sp1.x86_64.rpm",
"curl-debugsource-7.79.1-25.oe2203sp1.x86_64.rpm",
"curl-debuginfo-7.79.1-25.oe2203sp1.x86_64.rpm"
]
},
"package": {
"ecosystem": "openEuler:22.03-LTS-SP1",
"name": "curl",
"purl": "pkg:rpm/openEuler/curl\u0026distro=openEuler-22.03-LTS-SP1"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "7.79.1-25.oe2203sp1"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"ecosystem_specific": {
"aarch64": [
"curl-debuginfo-7.79.1-25.oe2203sp2.aarch64.rpm",
"libcurl-7.79.1-25.oe2203sp2.aarch64.rpm",
"libcurl-devel-7.79.1-25.oe2203sp2.aarch64.rpm",
"curl-debugsource-7.79.1-25.oe2203sp2.aarch64.rpm",
"curl-7.79.1-25.oe2203sp2.aarch64.rpm"
],
"noarch": [
"curl-help-7.79.1-25.oe2203sp2.noarch.rpm"
],
"src": [
"curl-7.79.1-25.oe2203sp2.src.rpm"
],
"x86_64": [
"curl-debugsource-7.79.1-25.oe2203sp2.x86_64.rpm",
"libcurl-7.79.1-25.oe2203sp2.x86_64.rpm",
"libcurl-devel-7.79.1-25.oe2203sp2.x86_64.rpm",
"curl-7.79.1-25.oe2203sp2.x86_64.rpm",
"curl-debuginfo-7.79.1-25.oe2203sp2.x86_64.rpm"
]
},
"package": {
"ecosystem": "openEuler:22.03-LTS-SP2",
"name": "curl",
"purl": "pkg:rpm/openEuler/curl\u0026distro=openEuler-22.03-LTS-SP2"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "7.79.1-25.oe2203sp2"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"severity": "Medium"
},
"details": "cURL is a computer software project providing a library (libcurl) and command-line tool (curl) for transferring data using various protocols.\r\n\r\nSecurity Fix(es):\r\n\r\nThis flaw allows a malicious HTTP server to set \u0026quot;super cookies\u0026quot; in curl that\nare then passed back to more origins than what is otherwise allowed or\npossible. This allows a site to set cookies that then would get sent to\ndifferent and unrelated sites and domains.\r\n\r\nIt could do this by exploiting a mixed case flaw in curl\u0026apos;s function that\nverifies a given cookie domain against the Public Suffix List (PSL). For\nexample a cookie could be set with `domain=co.UK` when the URL used a lower\ncase hostname `curl.co.uk`, even though `co.uk` is listed as a PSL domain.\n(CVE-2023-46218)",
"id": "OESA-2023-1913",
"modified": "2026-08-06T11:06:21Z",
"published": "2023-12-15T11:06:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1913"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-46218"
}
],
"schema_version": "1.7.2",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
}
],
"summary": "curl security update",
"upstream": [
"CVE-2023-46218"
]
}
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.
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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