cvelist/2019/9xxx/CVE-2019-9515.json

{
    "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": "https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md"
            },
            {
                "refsource": "MLIST",
                "name": "[trafficserver-dev] 20190813 Apache Traffic Server is vulnerable to various HTTP/2 attacks",
                "url": "https://lists.apache.org/thread.html/bde52309316ae798186d783a5e29f4ad1527f61c9219a289d0eee0a7@%3Cdev.trafficserver.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[trafficserver-users] 20190813 Apache Traffic Server is vulnerable to various HTTP/2 attacks",
                "url": "https://lists.apache.org/thread.html/392108390cef48af647a2e47b7fd5380e050e35ae8d1aa2030254c04@%3Cusers.trafficserver.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[trafficserver-announce] 20190813 Apache Traffic Server is vulnerable to various HTTP/2 attacks",
                "url": "https://lists.apache.org/thread.html/ad3d01e767199c1aed8033bb6b3f5bf98c011c7c536f07a5d34b3c19@%3Cannounce.trafficserver.apache.org%3E"
            },
            {
                "refsource": "BUGTRAQ",
                "name": "20190814 APPLE-SA-2019-08-13-5 SwiftNIO HTTP/2 1.5.0",
                "url": "https://seclists.org/bugtraq/2019/Aug/24"
            },
            {
                "refsource": "FULLDISC",
                "name": "20190816 APPLE-SA-2019-08-13-5 SwiftNIO HTTP/2 1.5.0",
                "url": "http://seclists.org/fulldisclosure/2019/Aug/16"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://www.synology.com/security/advisory/Synology_SA_19_33",
                "url": "https://www.synology.com/security/advisory/Synology_SA_19_33"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://support.f5.com/csp/article/K50233772",
                "url": "https://support.f5.com/csp/article/K50233772"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20190823-0005/",
                "url": "https://security.netapp.com/advisory/ntap-20190823-0005/"
            }
        ]
    },
    "source": {
        "discovery": "UNKNOWN"
    }
}