CVE-2019-9518 (GCVE-0-2019-9518)

Vulnerability from cvelistv5 – Published: 2019-08-13 20:50 – Updated: 2024-08-04 21:54
VLAI?
Title
Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service
Summary
Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service. The attacker sends a stream of frames with an empty payload and without the end-of-stream flag. These frames can be DATA, HEADERS, CONTINUATION and/or PUSH_PROMISE. The peer spends time processing each frame disproportionate to attack bandwidth. This can consume excess CPU.
Severity ?
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
References
https://kb.cert.org/vuls/id/605641/ third-party-advisoryx_refsource_CERT-VN
https://github.com/Netflix/security-bulletins/blo… x_refsource_MISC
https://seclists.org/bugtraq/2019/Aug/24 mailing-listx_refsource_BUGTRAQ
http://seclists.org/fulldisclosure/2019/Aug/16 mailing-listx_refsource_FULLDISC
https://www.synology.com/security/advisory/Synolo… x_refsource_CONFIRM
https://support.f5.com/csp/article/K46011592 x_refsource_CONFIRM
https://lists.apache.org/thread.html/2653c5654557… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/091b518265bc… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/ff5b0821a698… mailing-listx_refsource_MLIST
https://security.netapp.com/advisory/ntap-2019082… x_refsource_CONFIRM
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://www.debian.org/security/2019/dsa-4520 vendor-advisoryx_refsource_DEBIAN
https://seclists.org/bugtraq/2019/Sep/18 mailing-listx_refsource_BUGTRAQ
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://kc.mcafee.com/corporate/index?page=conten… x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2019:2925 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:2939 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:2955 vendor-advisoryx_refsource_REDHAT
https://support.f5.com/csp/article/K46011592?utm_… x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2019:3892 vendor-advisoryx_refsource_REDHAT
https://lists.apache.org/thread.html/9317fd092b25… mailing-listx_refsource_MLIST
https://access.redhat.com/errata/RHSA-2019:4352 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0727 vendor-advisoryx_refsource_REDHAT
https://lists.apache.org/thread.html/r99a625fb170… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rd31230d01fa… mailing-listx_refsource_MLIST
Credits
Thanks to Piotr Sikora of Google for reporting this vulnerability.
Show details on NVD website
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            "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 APPLE-SA-2019-08-13-5 SwiftNIO HTTP/2 1.5.0",
              "refsource": "BUGTRAQ",
              "url": "https://seclists.org/bugtraq/2019/Aug/24"
            },
            {
              "name": "20190816 APPLE-SA-2019-08-13-5 SwiftNIO HTTP/2 1.5.0",
              "refsource": "FULLDISC",
              "url": "http://seclists.org/fulldisclosure/2019/Aug/16"
            },
            {
              "name": "https://www.synology.com/security/advisory/Synology_SA_19_33",
              "refsource": "CONFIRM",
              "url": "https://www.synology.com/security/advisory/Synology_SA_19_33"
            },
            {
              "name": "https://support.f5.com/csp/article/K46011592",
              "refsource": "CONFIRM",
              "url": "https://support.f5.com/csp/article/K46011592"
            },
            {
              "name": "[trafficserver-announce] 20190820 ATS is vulnerable to a HTTP/2 attack with empty frames",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/2653c56545573b528f3f6352a29eccaf498bd6fb2a6a59568d81a61d@%3Cannounce.trafficserver.apache.org%3E"
            },
            {
              "name": "[trafficserver-users] 20190820 ATS is vulnerable to a HTTP/2 attack with empty frames",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/091b518265bce56a16af87b77c8cfacda902a02079e866f9fdf13b61@%3Cusers.trafficserver.apache.org%3E"
            },
            {
              "name": "[trafficserver-dev] 20190820 ATS is vulnerable to a HTTP/2 attack with empty frames",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/ff5b0821a6985159a832ff6d1a4bd311ac07ecc7db1e2d8bab619107@%3Cdev.trafficserver.apache.org%3E"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20190823-0005/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20190823-0005/"
            },
            {
              "name": "FEDORA-2019-5a6a7bc12c",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CMNFX5MNYRWWIMO4BTKYQCGUDMHO3AXP/"
            },
            {
              "name": "FEDORA-2019-6a2980de56",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4ZQGHE3WTYLYAYJEIDJVF2FIGQTAYPMC/"
            },
            {
              "name": "DSA-4520",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2019/dsa-4520"
            },
            {
              "name": "20190910 [SECURITY] [DSA 4520-1] trafficserver security update",
              "refsource": "BUGTRAQ",
              "url": "https://seclists.org/bugtraq/2019/Sep/18"
            },
            {
              "name": "openSUSE-SU-2019:2114",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00032.html"
            },
            {
              "name": "openSUSE-SU-2019:2115",
              "refsource": "SUSE",
              "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",
              "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10296"
            },
            {
              "name": "RHSA-2019:2925",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2019:2925"
            },
            {
              "name": "RHSA-2019:2939",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2019:2939"
            },
            {
              "name": "RHSA-2019:2955",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2019:2955"
            },
            {
              "name": "https://support.f5.com/csp/article/K46011592?utm_source=f5support\u0026amp;utm_medium=RSS",
              "refsource": "CONFIRM",
              "url": "https://support.f5.com/csp/article/K46011592?utm_source=f5support\u0026amp;utm_medium=RSS"
            },
            {
              "name": "RHSA-2019:3892",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2019:3892"
            },
            {
              "name": "[druid-commits] 20191115 [GitHub] [incubator-druid] ccaominh opened a new pull request #8878: Address security vulnerabilities",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe@%3Ccommits.druid.apache.org%3E"
            },
            {
              "name": "RHSA-2019:4352",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2019:4352"
            },
            {
              "name": "RHSA-2020:0727",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2020:0727"
            },
            {
              "name": "[cassandra-commits] 20210526 [jira] [Created] (CASSANDRA-16698) Security vulnerability CVE-2019-9518 for Netty",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r99a625fb17032646d96cd23dec49603ff630e9318e44a686d63046bc@%3Ccommits.cassandra.apache.org%3E"
            },
            {
              "name": "[cassandra-commits] 20210526 [jira] [Updated] (CASSANDRA-16698) Security vulnerability CVE-2019-9518 for Netty",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/rd31230d01fa6aad18bdadc0720acd1747e53690bd35f73a48e7a9b75@%3Ccommits.cassandra.apache.org%3E"
            }
          ]
        },
        "source": {
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
    "assignerShortName": "certcc",
    "cveId": "CVE-2019-9518",
    "datePublished": "2019-08-13T20:50:59.000Z",
    "dateReserved": "2019-03-01T00:00:00.000Z",
    "dateUpdated": "2024-08-04T21:54:44.510Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.