{
"id": "GHSA-xrr9-rh8p-433v",
"aliases": [
"CVE-2020-5207"
],
"details": "### Impact\nRequest smuggling is possible when running behind a proxy that doesn't handle Content-Length and Transfer-Encoding properly or doesn't handle alone \\n as a headers separator.\n\n### Patches\nhttps://github.com/ktorio/ktor/pull/1547\n\n### Workarounds\nNone except migrating to a better proxy.\n\n### References\nhttps://portswigger.net/web-security/request-smuggling\nhttps://tools.ietf.org/html/rfc7230#section-9.5",
"summary": "Request smuggling is possible when both chunked TE and content length specified",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.3.0"
}
]
}
],
"package": {
"name": "io.ktor:ktor-client-cio",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.3.0"
}
]
}
],
"package": {
"name": "io.ktor:ktor-server-cio",
"ecosystem": "Maven"
}
}
],
"modified": "2021-01-08T20:32:37Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
}
],
"published": "2020-01-27T19:28:40Z",
"references": [
{
"url": "https://github.com/ktorio/ktor/security/advisories/GHSA-xrr9-rh8p-433v",
"type": "WEB"
},
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-5207",
"type": "ADVISORY"
},
{
"url": "https://github.com/ktorio/ktor/pull/1547",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-444"
],
"severity": "LOW",
"github_reviewed": true,
"nvd_published_at": null,
"github_reviewed_at": "2020-01-27T19:28:00Z"
}
}