ubuntu-cve-2020-11724
Vulnerability from osv_ubuntu
Published
2020-04-12 21:15
Modified
2026-07-02 15:49
Summary
Details
An issue was discovered in OpenResty before 1.15.8.4. ngx_http_lua_subrequest.c allows HTTP request smuggling, as demonstrated by the ngx.location.capture API.
Severity
7.5 (High)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "nginx",
"binary_version": "1.4.6-1ubuntu3.9+esm8"
},
{
"binary_name": "nginx-common",
"binary_version": "1.4.6-1ubuntu3.9+esm8"
},
{
"binary_name": "nginx-core",
"binary_version": "1.4.6-1ubuntu3.9+esm8"
},
{
"binary_name": "nginx-extras",
"binary_version": "1.4.6-1ubuntu3.9+esm8"
},
{
"binary_name": "nginx-full",
"binary_version": "1.4.6-1ubuntu3.9+esm8"
},
{
"binary_name": "nginx-light",
"binary_version": "1.4.6-1ubuntu3.9+esm8"
},
{
"binary_name": "nginx-naxsi",
"binary_version": "1.4.6-1ubuntu3.9+esm8"
},
{
"binary_name": "nginx-naxsi-ui",
"binary_version": "1.4.6-1ubuntu3.9+esm8"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "nginx",
"purl": "pkg:deb/ubuntu/nginx@1.4.6-1ubuntu3.9+esm8?arch=source\u0026distro=esm-infra-legacy/trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.4.1-3ubuntu1",
"1.4.3-2ubuntu1",
"1.4.4-1ubuntu1",
"1.4.4-2ubuntu1",
"1.4.4-4ubuntu1",
"1.4.5-1ubuntu1",
"1.4.6-1ubuntu2",
"1.4.6-1ubuntu3",
"1.4.6-1ubuntu3.1",
"1.4.6-1ubuntu3.2",
"1.4.6-1ubuntu3.3",
"1.4.6-1ubuntu3.4",
"1.4.6-1ubuntu3.5",
"1.4.6-1ubuntu3.6",
"1.4.6-1ubuntu3.7",
"1.4.6-1ubuntu3.8",
"1.4.6-1ubuntu3.9",
"1.4.6-1ubuntu3.9+esm1",
"1.4.6-1ubuntu3.9+esm2",
"1.4.6-1ubuntu3.9+esm3",
"1.4.6-1ubuntu3.9+esm4",
"1.4.6-1ubuntu3.9+esm5",
"1.4.6-1ubuntu3.9+esm6",
"1.4.6-1ubuntu3.9+esm8"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "nginx",
"binary_version": "1.10.3-0ubuntu0.16.04.5+esm4"
},
{
"binary_name": "nginx-common",
"binary_version": "1.10.3-0ubuntu0.16.04.5+esm4"
},
{
"binary_name": "nginx-core",
"binary_version": "1.10.3-0ubuntu0.16.04.5+esm4"
},
{
"binary_name": "nginx-extras",
"binary_version": "1.10.3-0ubuntu0.16.04.5+esm4"
},
{
"binary_name": "nginx-full",
"binary_version": "1.10.3-0ubuntu0.16.04.5+esm4"
},
{
"binary_name": "nginx-light",
"binary_version": "1.10.3-0ubuntu0.16.04.5+esm4"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "nginx",
"purl": "pkg:deb/ubuntu/nginx@1.10.3-0ubuntu0.16.04.5+esm4?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.10.3-0ubuntu0.16.04.5+esm4"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.9.3-1ubuntu1",
"1.9.6-2ubuntu1",
"1.9.6-2ubuntu2",
"1.9.9-0ubuntu1",
"1.9.9-1ubuntu1",
"1.9.10-0ubuntu1",
"1.9.10-1ubuntu1",
"1.9.11-0ubuntu1",
"1.9.11-0ubuntu2",
"1.9.12-0ubuntu1",
"1.9.13-0ubuntu1",
"1.9.14-0ubuntu1",
"1.9.15-0ubuntu1",
"1.10.0-0ubuntu0.16.04.1",
"1.10.0-0ubuntu0.16.04.2",
"1.10.0-0ubuntu0.16.04.3",
"1.10.0-0ubuntu0.16.04.4",
"1.10.3-0ubuntu0.16.04.1",
"1.10.3-0ubuntu0.16.04.2",
"1.10.3-0ubuntu0.16.04.3",
"1.10.3-0ubuntu0.16.04.4",
"1.10.3-0ubuntu0.16.04.5",
"1.10.3-0ubuntu0.16.04.5+esm1",
"1.10.3-0ubuntu0.16.04.5+esm2",
"1.10.3-0ubuntu0.16.04.5+esm3"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libnginx-mod-http-auth-pam",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-cache-purge",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-dav-ext",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-echo",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-fancyindex",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-geoip",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-headers-more-filter",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-image-filter",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-lua",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-ndk",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-perl",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-subs-filter",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-uploadprogress",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-upstream-fair",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-xslt-filter",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-mail",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-nchan",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-rtmp",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-stream",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "nginx",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "nginx-common",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "nginx-core",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "nginx-extras",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "nginx-full",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "nginx-light",
"binary_version": "1.14.0-0ubuntu1.10"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "nginx",
"purl": "pkg:deb/ubuntu/nginx@1.14.0-0ubuntu1.10?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.14.0-0ubuntu1.10"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.12.1-0ubuntu2",
"1.13.6-2ubuntu1",
"1.13.6-2ubuntu2",
"1.13.10-1ubuntu1",
"1.13.12-0ubuntu1",
"1.14.0-0ubuntu1",
"1.14.0-0ubuntu1.1",
"1.14.0-0ubuntu1.2",
"1.14.0-0ubuntu1.3",
"1.14.0-0ubuntu1.4",
"1.14.0-0ubuntu1.5",
"1.14.0-0ubuntu1.6",
"1.14.0-0ubuntu1.7",
"1.14.0-0ubuntu1.9"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libnginx-mod-http-auth-pam",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-cache-purge",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-dav-ext",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-echo",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-fancyindex",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-geoip",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-geoip2",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-headers-more-filter",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-image-filter",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-lua",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-ndk",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-perl",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-subs-filter",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-uploadprogress",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-upstream-fair",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-xslt-filter",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-mail",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-nchan",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-rtmp",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-stream",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "nginx",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "nginx-common",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "nginx-core",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "nginx-extras",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "nginx-full",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "nginx-light",
"binary_version": "1.18.0-0ubuntu1.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "nginx",
"purl": "pkg:deb/ubuntu/nginx@1.18.0-0ubuntu1.3?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.18.0-0ubuntu1.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.16.1-0ubuntu2",
"1.16.1-0ubuntu3",
"1.17.5-0ubuntu1",
"1.17.6-0ubuntu1",
"1.17.7-0ubuntu1",
"1.17.8-0ubuntu1",
"1.17.8-0ubuntu2",
"1.17.8-0ubuntu3",
"1.17.9-0ubuntu1",
"1.17.9-0ubuntu2",
"1.17.9-0ubuntu3",
"1.17.10-0ubuntu1",
"1.18.0-0ubuntu1",
"1.18.0-0ubuntu1.2"
]
}
],
"aliases": [],
"details": "An issue was discovered in OpenResty before 1.15.8.4. ngx_http_lua_subrequest.c allows HTTP request smuggling, as demonstrated by the ngx.location.capture API.",
"id": "UBUNTU-CVE-2020-11724",
"modified": "2026-07-02T15:49:44Z",
"published": "2020-04-12T21:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-11724"
},
{
"type": "REPORT",
"url": "https://github.com/openresty/openresty/blob/4e8b4c395f842a078e429c80dd063b2323999957/patches/ngx_http_lua-0.10.15-fix_location_capture_content_length_chunked.patch"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5371-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5371-3"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-11724"
}
],
"related": [
"USN-5371-1",
"USN-5371-3"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2020-11724"
]
}
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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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