ghsa-w6v5-q8c8-52xx
Vulnerability from github
Published
2022-05-24 16:53
Modified
2025-01-14 21:31
Severity ?
VLAI Severity ?
Details
Some HTTP/2 implementations are vulnerable to unconstrained interal data buffering, potentially leading to a denial of service. The attacker opens the HTTP/2 window so the peer can send without constraint; however, they leave the TCP window closed so the peer cannot actually write (many of) the bytes on the wire. The attacker then sends a stream of requests for a large response object. Depending on how the servers queue the responses, this can consume excess memory, CPU, or both.
{
"affected": [],
"aliases": [
"CVE-2019-9517"
],
"database_specific": {
"cwe_ids": [
"CWE-400",
"CWE-770"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2019-08-13T21:15:00Z",
"severity": "HIGH"
},
"details": "Some HTTP/2 implementations are vulnerable to unconstrained interal data buffering, potentially leading to a denial of service. The attacker opens the HTTP/2 window so the peer can send without constraint; however, they leave the TCP window closed so the peer cannot actually write (many of) the bytes on the wire. The attacker then sends a stream of requests for a large response object. Depending on how the servers queue the responses, this can consume excess memory, CPU, or both.",
"id": "GHSA-w6v5-q8c8-52xx",
"modified": "2025-01-14T21:31:41Z",
"published": "2022-05-24T16:53:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-9517"
},
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},
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{
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"url": "https://access.redhat.com/errata/RHSA-2019:2893"
},
{
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CMNFX5MNYRWWIMO4BTKYQCGUDMHO3AXP"
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},
{
"type": "WEB",
"url": "https://seclists.org/bugtraq/2019/Aug/47"
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{
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"url": "https://security.gentoo.org/glsa/201909-04"
},
{
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"url": "https://security.netapp.com/advisory/ntap-20190823-0003"
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"url": "https://security.netapp.com/advisory/ntap-20190823-0005"
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"url": "https://support.f5.com/csp/article/K02591030"
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"url": "https://support.f5.com/csp/article/K02591030?utm_source=f5support\u0026amp;utm_medium=RSS"
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{
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"url": "https://usn.ubuntu.com/4113-1"
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{
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"url": "https://www.debian.org/security/2019/dsa-4509"
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{
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"url": "https://www.oracle.com/security-alerts/cpuapr2020.html"
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"url": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"
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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://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md"
},
{
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"url": "https://kb.cert.org/vuls/id/605641"
},
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"url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10296"
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"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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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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