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CERTFR-2019-AVI-389
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans Nginx. Elles permettent à un attaquant de provoquer un déni de service à distance.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneImpacted products
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Nginx versions ant\u00e9rieures \u00e0 1.16.1",
"product": {
"name": "N/A",
"vendor": {
"name": "Nginx",
"scada": false
}
}
},
{
"description": "Nginx versions 1.17.x ant\u00e9rieures \u00e0 1.17.3",
"product": {
"name": "N/A",
"vendor": {
"name": "Nginx",
"scada": false
}
}
}
],
"affected_systems_content": null,
"content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
"cves": [
{
"name": "CVE-2019-9511",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-9511"
},
{
"name": "CVE-2019-9513",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-9513"
},
{
"name": "CVE-2019-9516",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-9516"
}
],
"initial_release_date": "2019-08-14T00:00:00",
"last_revision_date": "2019-08-14T00:00:00",
"links": [],
"reference": "CERTFR-2019-AVI-389",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2019-08-14T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Nginx. Elles\npermettent \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Nginx",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Nginx du 13 ao\u00fbt 2019",
"url": "http://mailman.nginx.org/pipermail/nginx-announce/2019/000249.html"
}
]
}
CVE-2019-9511 (GCVE-0-2019-9511)
Vulnerability from cvelistv5
Published
2019-08-13 20:50
Modified
2024-08-04 21:54
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-400 - Uncontrolled Resource Consumption
Summary
Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manipulate window size and stream priority to force the server to queue the data in 1-byte chunks. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.
References
{
"containers": {
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"providerMetadata": {
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"url": "https://kb.cert.org/vuls/id/605641/"
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{
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],
"url": "https://access.redhat.com/errata/RHSA-2019:4020"
},
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"x_transferred"
],
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},
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],
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},
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],
"url": "https://www.synology.com/security/advisory/Synology_SA_19_33"
},
{
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],
"url": "https://support.f5.com/csp/article/K02591030"
},
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"url": "https://security.netapp.com/advisory/ntap-20190823-0002/"
},
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"url": "https://security.netapp.com/advisory/ntap-20190823-0005/"
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"url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10296"
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],
"url": "https://www.oracle.com/security-alerts/cpujan2021.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Thanks to Jonathan Looney of Netflix for reporting this vulnerability."
}
],
"descriptions": [
{
"lang": "en",
"value": "Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manipulate window size and stream priority to force the server to queue the data in 1-byte chunks. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both."
}
],
"metrics": [
{
"cvssV3_0": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"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:H",
"version": "3.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-400",
"description": "CWE-400 Uncontrolled Resource Consumption",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-01-20T14:42:02",
"orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
"shortName": "certcc"
},
"references": [
{
"name": "VU#605641",
"tags": [
"third-party-advisory",
"x_refsource_CERT-VN"
],
"url": "https://kb.cert.org/vuls/id/605641/"
},
{
"name": "USN-4099-1",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU"
],
"url": "https://usn.ubuntu.com/4099-1/"
},
{
"name": "FEDORA-2019-befd924cfe",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TAZZEVTCN2B4WT6AIBJ7XGYJMBTORJU5/"
},
{
"name": "20190822 [SECURITY] [DSA 4505-1] nginx security update",
"tags": [
"mailing-list",
"x_refsource_BUGTRAQ"
],
"url": "https://seclists.org/bugtraq/2019/Aug/40"
},
{
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"tags": [
"vendor-advisory",
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],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LZLUYPYY3RX4ZJDWZRJIKSULYRJ4PXW7/"
},
{
"name": "DSA-4505",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN"
],
"url": "https://www.debian.org/security/2019/dsa-4505"
},
{
"name": "FEDORA-2019-8a437d5c2f",
"tags": [
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],
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},
{
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],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BP556LEG3WENHZI5TAQ6ZEBFTJB4E2IS/"
},
{
"name": "FEDORA-2019-63ba15cc83",
"tags": [
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"x_refsource_FEDORA"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XHTKU7YQ5EEP2XNSAV4M4VJ7QCBOJMOD/"
},
{
"name": "20190902 [SECURITY] [DSA 4511-1] nghttp2 security update",
"tags": [
"mailing-list",
"x_refsource_BUGTRAQ"
],
"url": "https://seclists.org/bugtraq/2019/Sep/1"
},
{
"name": "DSA-4511",
"tags": [
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"x_refsource_DEBIAN"
],
"url": "https://www.debian.org/security/2019/dsa-4511"
},
{
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},
{
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"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2019:2692"
},
{
"name": "openSUSE-SU-2019:2120",
"tags": [
"vendor-advisory",
"x_refsource_SUSE"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html"
},
{
"name": "openSUSE-SU-2019:2114",
"tags": [
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],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00032.html"
},
{
"name": "openSUSE-SU-2019:2115",
"tags": [
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"x_refsource_SUSE"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00031.html"
},
{
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"tags": [
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"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2019:2745"
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{
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{
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{
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],
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},
{
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],
"url": "https://access.redhat.com/errata/RHSA-2019:2949"
},
{
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"tags": [
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"x_refsource_SUSE"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00003.html"
},
{
"name": "openSUSE-SU-2019:2234",
"tags": [
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],
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},
{
"name": "RHSA-2019:2955",
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CVE-2019-9516 (GCVE-0-2019-9516)
Vulnerability from cvelistv5
Published
2019-08-13 20:50
Modified
2024-08-04 21:54
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-400 - Uncontrolled Resource Consumption
Summary
Some HTTP/2 implementations are vulnerable to a header leak, potentially leading to a denial of service. The attacker sends a stream of headers with a 0-length header name and 0-length header value, optionally Huffman encoded into 1-byte or greater headers. Some implementations allocate memory for these headers and keep the allocation alive until the session dies. This can consume excess memory.
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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"datePublished": "2019-08-13T20:50:59",
"dateReserved": "2019-03-01T00:00:00",
"dateUpdated": "2024-08-04T21:54:44.285Z",
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CVE-2019-9513 (GCVE-0-2019-9513)
Vulnerability from cvelistv5
Published
2019-08-13 20:50
Modified
2024-08-04 21:54
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-400 - Uncontrolled Resource Consumption
Summary
Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service. The attacker creates multiple request streams and continually shuffles the priority of the streams in a way that causes substantial churn to the priority tree. This can consume excess CPU.
References
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"dateUpdated": "2024-08-04T21:54:44.842Z",
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},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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