gsd-2019-9516
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
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.
Aliases
Aliases
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This can consume excess memory.", "id": "GSD-2019-9516", "references": [ "https://www.suse.com/security/cve/CVE-2019-9516.html", "https://www.debian.org/security/2019/dsa-4505", "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-2019:3935", "https://access.redhat.com/errata/RHSA-2019:3933", "https://access.redhat.com/errata/RHSA-2019:3932", "https://access.redhat.com/errata/RHSA-2019:2966", "https://access.redhat.com/errata/RHSA-2019:2955", "https://access.redhat.com/errata/RHSA-2019:2950", "https://access.redhat.com/errata/RHSA-2019:2946", "https://access.redhat.com/errata/RHSA-2019:2939", "https://access.redhat.com/errata/RHSA-2019:2925", "https://access.redhat.com/errata/RHSA-2019:2799", "https://access.redhat.com/errata/RHSA-2019:2775", "https://access.redhat.com/errata/RHSA-2019:2746", "https://access.redhat.com/errata/RHSA-2019:2745", "https://ubuntu.com/security/CVE-2019-9516", "https://advisories.mageia.org/CVE-2019-9516.html", "https://security.archlinux.org/CVE-2019-9516", "https://alas.aws.amazon.com/cve/html/CVE-2019-9516.html", "https://linux.oracle.com/cve/CVE-2019-9516.html" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2019-9516" ], "details": "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.", "id": "GSD-2019-9516", "modified": "2023-12-13T01:23:47.811163Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "AKA": "HTTP/2 0-Length Headers Leak", "ASSIGNER": "cert@cert.org", "ID": "CVE-2019-9516", "STATE": "PUBLIC", "TITLE": "Some HTTP/2 implementations are vulnerable to a header leak, 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 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." } ] }, "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": "https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md" }, { "name": "20190814 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"name": "FEDORA-2019-4427fd65be", "refsource": "FEDORA", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BP556LEG3WENHZI5TAQ6ZEBFTJB4E2IS/" }, { "name": "FEDORA-2019-63ba15cc83", "refsource": "FEDORA", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XHTKU7YQ5EEP2XNSAV4M4VJ7QCBOJMOD/" }, { "name": "FEDORA-2019-7a0b45fdc4", "refsource": "FEDORA", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/POPAEC4FWL4UU4LDEGPY5NPALU24FFQD/" }, { "name": "openSUSE-SU-2019:2120", "refsource": "SUSE", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html" }, { "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-2019:2746", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:2746" }, { "name": "RHSA-2019:2745", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:2745" }, { "name": "RHSA-2019:2775", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:2775" }, { "name": "RHSA-2019:2799", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:2799" }, { "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-2019:2946", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:2946" }, { "name": "RHSA-2019:2950", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:2950" }, { "name": "RHSA-2019:2955", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:2955" }, { "name": "RHSA-2019:2966", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:2966" }, { "name": "openSUSE-SU-2019:2264", "refsource": "SUSE", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00014.html" }, { "name": "https://support.f5.com/csp/article/K02591030?utm_source=f5support\u0026amp;utm_medium=RSS", "refsource": "CONFIRM", "tags": [ "Third Party Advisory" ], "url": "https://support.f5.com/csp/article/K02591030?utm_source=f5support\u0026amp;utm_medium=RSS" }, { "name": "RHSA-2019:3935", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:3935" }, { "name": "RHSA-2019:3933", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:3933" }, { "name": "RHSA-2019:3932", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:3932" }, { "name": "FEDORA-2021-d5b2c18fe6", "refsource": "FEDORA", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H472D5HPXN6RRXCNFML3BK5OYC52CXF2/" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 6.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:C", "version": "2.0" }, "exploitabilityScore": 8.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "MEDIUM", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "exploitabilityScore": 2.8, "impactScore": 3.6 } }, "lastModifiedDate": "2022-08-05T14:52Z", "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.