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
CVE-2019-9516


To clipboard 

{
  "GSD": {
    "alias": "CVE-2019-9516",
    "description": "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",
    "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",
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      "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"
    },
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      "aliases": [
        "CVE-2019-9516"
      ],
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      "id": "GSD-2019-9516",
      "modified": "2023-12-13T01:23:47.811163Z",
      "schema_version": "1.4.0"
    }
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      "credit": [
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          "lang": "eng",
          "value": "Thanks to Jonathan Looney of Netflix for reporting this vulnerability."
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          "baseScore": 7.5,
          "baseSeverity": "HIGH",
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        }
      },
      "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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