gsd-2019-9515
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service. The attacker sends a stream of SETTINGS frames to the peer. Since the RFC requires that the peer reply with one acknowledgement per SETTINGS frame, an empty SETTINGS frame is almost equivalent in behavior to a ping. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2019-9515", "description": "Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service. The attacker sends a stream of SETTINGS frames to the peer. Since the RFC requires that the peer reply with one acknowledgement per SETTINGS frame, an empty SETTINGS frame is almost equivalent in behavior to a ping. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.", "id": "GSD-2019-9515", "references": [ "https://www.suse.com/security/cve/CVE-2019-9515.html", "https://www.debian.org/security/2019/dsa-4520", "https://www.debian.org/security/2019/dsa-4508", "https://access.redhat.com/errata/RHSA-2020:3197", "https://access.redhat.com/errata/RHSA-2020:3196", "https://access.redhat.com/errata/RHSA-2020:2565", "https://access.redhat.com/errata/RHSA-2020:2067", "https://access.redhat.com/errata/RHSA-2020:1445", "https://access.redhat.com/errata/RHSA-2020:0983", "https://access.redhat.com/errata/RHSA-2020:0922", "https://access.redhat.com/errata/RHSA-2020:0727", "https://access.redhat.com/errata/RHSA-2019:4352", "https://access.redhat.com/errata/RHSA-2019:4045", "https://access.redhat.com/errata/RHSA-2019:4042", "https://access.redhat.com/errata/RHSA-2019:4041", "https://access.redhat.com/errata/RHSA-2019:4040", "https://access.redhat.com/errata/RHSA-2019:4021", "https://access.redhat.com/errata/RHSA-2019:4020", "https://access.redhat.com/errata/RHSA-2019:4019", "https://access.redhat.com/errata/RHSA-2019:4018", "https://access.redhat.com/errata/RHSA-2019:3892", "https://access.redhat.com/errata/RHSA-2019:2955", "https://access.redhat.com/errata/RHSA-2019:2939", "https://access.redhat.com/errata/RHSA-2019:2925", "https://access.redhat.com/errata/RHSA-2019:2861", "https://access.redhat.com/errata/RHSA-2019:2796", "https://access.redhat.com/errata/RHSA-2019:2766", "https://ubuntu.com/security/CVE-2019-9515", "https://advisories.mageia.org/CVE-2019-9515.html", "https://linux.oracle.com/cve/CVE-2019-9515.html" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2019-9515" ], "details": "Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service. The attacker sends a stream of SETTINGS frames to the peer. Since the RFC requires that the peer reply with one acknowledgement per SETTINGS frame, an empty SETTINGS frame is almost equivalent in behavior to a ping. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.", "id": "GSD-2019-9515", "modified": "2023-12-13T01:23:47.509056Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "AKA": "HTTP/2 Settings Flood", "ASSIGNER": "cert@cert.org", "ID": "CVE-2019-9515", "STATE": "PUBLIC", "TITLE": "Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "credit": [ { "lang": "eng", "value": "Thanks to Jonathan Looney of Netflix for reporting this vulnerability." } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service. The attacker sends a stream of SETTINGS frames to the peer. Since the RFC requires that the peer reply with one acknowledgement per SETTINGS frame, an empty SETTINGS frame is almost equivalent in behavior to a ping. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both." } ] }, "generator": { "engine": "Vulnogram 0.0.7" }, "impact": { "cvss": { "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" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-400 Uncontrolled Resource Consumption" } ] } ] }, "references": { "reference_data": [ { "name": "VU#605641", "refsource": "CERT-VN", "url": "https://kb.cert.org/vuls/id/605641/" }, { "name": "https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md", "refsource": "MISC", "url": 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Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-770" } ] } ] }, "references": { "reference_data": [ { "name": "VU#605641", "refsource": "CERT-VN", "tags": [ "Third Party Advisory", "US Government Resource" ], "url": "https://kb.cert.org/vuls/id/605641/" }, { "name": "https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md", "refsource": "MISC", "tags": [ "Third Party Advisory" ], "url": "https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md" }, { "name": "[trafficserver-announce] 20190813 Apache Traffic Server is vulnerable to various HTTP/2 attacks", "refsource": "MLIST", "tags": [ "Third Party Advisory" ], "url": "https://lists.apache.org/thread.html/ad3d01e767199c1aed8033bb6b3f5bf98c011c7c536f07a5d34b3c19@%3Cannounce.trafficserver.apache.org%3E" }, { "name": 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"name": "https://www.synology.com/security/advisory/Synology_SA_19_33", "refsource": "CONFIRM", "tags": [ "Third Party Advisory" ], "url": "https://www.synology.com/security/advisory/Synology_SA_19_33" }, { "name": "https://support.f5.com/csp/article/K50233772", "refsource": "CONFIRM", "tags": [ "Third Party Advisory" ], "url": "https://support.f5.com/csp/article/K50233772" }, { "name": "https://security.netapp.com/advisory/ntap-20190823-0005/", "refsource": "CONFIRM", "tags": [ "Third Party Advisory" ], "url": "https://security.netapp.com/advisory/ntap-20190823-0005/" }, { "name": "FEDORA-2019-5a6a7bc12c", "refsource": "FEDORA", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CMNFX5MNYRWWIMO4BTKYQCGUDMHO3AXP/" }, { "name": "FEDORA-2019-6a2980de56", "refsource": "FEDORA", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4ZQGHE3WTYLYAYJEIDJVF2FIGQTAYPMC/" }, { "name": "20190825 [SECURITY] [DSA 4508-1] h2o security update", "refsource": "BUGTRAQ", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://seclists.org/bugtraq/2019/Aug/43" }, { "name": "DSA-4508", "refsource": "DEBIAN", "tags": [ "Third Party Advisory" ], "url": "https://www.debian.org/security/2019/dsa-4508" }, { "name": "DSA-4520", "refsource": "DEBIAN", "tags": [ "Third Party Advisory" ], "url": "https://www.debian.org/security/2019/dsa-4520" }, { "name": "20190910 [SECURITY] [DSA 4520-1] trafficserver security update", "refsource": "BUGTRAQ", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://seclists.org/bugtraq/2019/Sep/18" }, { "name": "openSUSE-SU-2019:2114", "refsource": "SUSE", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00032.html" }, { "name": "openSUSE-SU-2019:2115", "refsource": "SUSE", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00031.html" }, { "name": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10296", "refsource": "CONFIRM", "tags": [ "Third Party Advisory" ], "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10296" }, { "name": "RHSA-2019:2766", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:2766" }, { "name": "RHSA-2019:2796", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:2796" }, { "name": "RHSA-2019:2861", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:2861" }, { "name": "RHSA-2019:2925", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:2925" }, { "name": "RHSA-2019:2939", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:2939" }, { "name": "RHSA-2019:2955", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:2955" }, { "name": "https://support.f5.com/csp/article/K50233772?utm_source=f5support\u0026amp;utm_medium=RSS", "refsource": "CONFIRM", "tags": [ "Third Party Advisory" ], "url": "https://support.f5.com/csp/article/K50233772?utm_source=f5support\u0026amp;utm_medium=RSS" }, { "name": "RHSA-2019:3892", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:3892" }, { "name": "RHSA-2019:4018", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:4018" }, { "name": "RHSA-2019:4019", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:4019" }, { "name": "RHSA-2019:4021", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:4021" }, { "name": "RHSA-2019:4020", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:4020" }, { "name": "RHSA-2019:4041", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:4041" }, { "name": "RHSA-2019:4040", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:4040" }, { "name": "RHSA-2019:4042", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:4042" }, { "name": "RHSA-2019:4045", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:4045" }, { "name": "RHSA-2019:4352", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:4352" }, { "name": "RHSA-2020:0727", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2020:0727" }, { "name": "USN-4308-1", "refsource": "UBUNTU", "tags": [ "Third Party Advisory" ], "url": "https://usn.ubuntu.com/4308-1/" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0" }, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "HIGH", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } }, "lastModifiedDate": "2022-08-12T18:40Z", "publishedDate": "2019-08-13T21:15Z" } } }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- 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.