CVE-2018-16844 (GCVE-0-2018-16844)
Vulnerability from cvelistv5 – Published: 2018-11-07 14:00 – Updated: 2024-08-05 10:32
VLAI?
Summary
nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. This issue affects nginx compiled with the ngx_http_v2_module (not compiled by default) if the 'http2' option of the 'listen' directive is used in a configuration file.
Severity ?
5.3 (Medium)
CWE
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-05T10:32:54.086Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "DSA-4335",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN",
"x_transferred"
],
"url": "https://www.debian.org/security/2018/dsa-4335"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16844"
},
{
"name": "RHSA-2018:3680",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3680"
},
{
"name": "RHSA-2018:3681",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3681"
},
{
"name": "105868",
"tags": [
"vdb-entry",
"x_refsource_BID",
"x_transferred"
],
"url": "http://www.securityfocus.com/bid/105868"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://mailman.nginx.org/pipermail/nginx-announce/2018/000220.html"
},
{
"name": "1042038",
"tags": [
"vdb-entry",
"x_refsource_SECTRACK",
"x_transferred"
],
"url": "http://www.securitytracker.com/id/1042038"
},
{
"name": "USN-3812-1",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU",
"x_transferred"
],
"url": "https://usn.ubuntu.com/3812-1/"
},
{
"name": "openSUSE-SU-2019:2120",
"tags": [
"vendor-advisory",
"x_refsource_SUSE",
"x_transferred"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://support.apple.com/kb/HT212818"
},
{
"name": "20210921 APPLE-SA-2021-09-20-4 Xcode 13",
"tags": [
"mailing-list",
"x_refsource_FULLDISC",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2021/Sep/36"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "nginx",
"vendor": "[UNKNOWN]",
"versions": [
{
"status": "affected",
"version": "1.15.6"
},
{
"status": "affected",
"version": "1.14.1"
}
]
}
],
"datePublic": "2018-11-06T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. This issue affects nginx compiled with the ngx_http_v2_module (not compiled by default) if the \u0027http2\u0027 option of the \u0027listen\u0027 directive is used in a configuration file."
}
],
"metrics": [
{
"cvssV3_0": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"version": "3.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-400",
"description": "CWE-400",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-09-21T23:06:54.000Z",
"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"shortName": "redhat"
},
"references": [
{
"name": "DSA-4335",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN"
],
"url": "https://www.debian.org/security/2018/dsa-4335"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16844"
},
{
"name": "RHSA-2018:3680",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3680"
},
{
"name": "RHSA-2018:3681",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3681"
},
{
"name": "105868",
"tags": [
"vdb-entry",
"x_refsource_BID"
],
"url": "http://www.securityfocus.com/bid/105868"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://mailman.nginx.org/pipermail/nginx-announce/2018/000220.html"
},
{
"name": "1042038",
"tags": [
"vdb-entry",
"x_refsource_SECTRACK"
],
"url": "http://www.securitytracker.com/id/1042038"
},
{
"name": "USN-3812-1",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU"
],
"url": "https://usn.ubuntu.com/3812-1/"
},
{
"name": "openSUSE-SU-2019:2120",
"tags": [
"vendor-advisory",
"x_refsource_SUSE"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://support.apple.com/kb/HT212818"
},
{
"name": "20210921 APPLE-SA-2021-09-20-4 Xcode 13",
"tags": [
"mailing-list",
"x_refsource_FULLDISC"
],
"url": "http://seclists.org/fulldisclosure/2021/Sep/36"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "secalert@redhat.com",
"ID": "CVE-2018-16844",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "nginx",
"version": {
"version_data": [
{
"version_value": "1.15.6"
},
{
"version_value": "1.14.1"
}
]
}
}
]
},
"vendor_name": "[UNKNOWN]"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. This issue affects nginx compiled with the ngx_http_v2_module (not compiled by default) if the \u0027http2\u0027 option of the \u0027listen\u0027 directive is used in a configuration file."
}
]
},
"impact": {
"cvss": [
[
{
"vectorString": "5.3/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"version": "3.0"
}
]
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-400"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "DSA-4335",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2018/dsa-4335"
},
{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16844",
"refsource": "CONFIRM",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16844"
},
{
"name": "RHSA-2018:3680",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2018:3680"
},
{
"name": "RHSA-2018:3681",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2018:3681"
},
{
"name": "105868",
"refsource": "BID",
"url": "http://www.securityfocus.com/bid/105868"
},
{
"name": "http://mailman.nginx.org/pipermail/nginx-announce/2018/000220.html",
"refsource": "MISC",
"url": "http://mailman.nginx.org/pipermail/nginx-announce/2018/000220.html"
},
{
"name": "1042038",
"refsource": "SECTRACK",
"url": "http://www.securitytracker.com/id/1042038"
},
{
"name": "USN-3812-1",
"refsource": "UBUNTU",
"url": "https://usn.ubuntu.com/3812-1/"
},
{
"name": "openSUSE-SU-2019:2120",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html"
},
{
"name": "https://support.apple.com/kb/HT212818",
"refsource": "CONFIRM",
"url": "https://support.apple.com/kb/HT212818"
},
{
"name": "20210921 APPLE-SA-2021-09-20-4 Xcode 13",
"refsource": "FULLDISC",
"url": "http://seclists.org/fulldisclosure/2021/Sep/36"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2018-16844",
"datePublished": "2018-11-07T14:00:00.000Z",
"dateReserved": "2018-09-11T00:00:00.000Z",
"dateUpdated": "2024-08-05T10:32:54.086Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
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.
Loading…
Loading…