{
    "CVE_data_meta": {
        "ASSIGNER": "security@apache.org",
        "DATE_PUBLIC": "2017-10-09T00:00:00",
        "ID": "CVE-2017-5637",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Apache ZooKeeper",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "3.4.0 to 3.4.9"
                                        },
                                        {
                                            "version_value": "3.5.0 to 3.5.2"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Apache Software Foundation"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Two four letter word commands \"wchp/wchc\" are CPU intensive and could cause spike of CPU utilization on Apache ZooKeeper server if abused, which leads to the server unable to serve legitimate client requests. Apache ZooKeeper thru version 3.4.9 and 3.5.2 suffer from this issue, fixed in 3.4.10, 3.5.3, and later."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "DOS"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "[dev] 20171009 [SECURITY] CVE-2017-5637: DOS attack on wchp/wchc four letter words (4lw)",
                "refsource": "MLIST",
                "url": "https://lists.apache.org/thread.html/58170aeb7a681d462b7fa31cae81110cbb749d2dc83c5736a0bb8370@%3Cdev.zookeeper.apache.org%3E"
            },
            {
                "name": "98814",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/98814"
            },
            {
                "name": "RHSA-2017:3355",
                "refsource": "REDHAT",
                "url": "https://access.redhat.com/errata/RHSA-2017:3355"
            },
            {
                "name": "RHSA-2017:3354",
                "refsource": "REDHAT",
                "url": "https://access.redhat.com/errata/RHSA-2017:3354"
            },
            {
                "name": "RHSA-2017:2477",
                "refsource": "REDHAT",
                "url": "https://access.redhat.com/errata/RHSA-2017:2477"
            },
            {
                "name": "DSA-3871",
                "refsource": "DEBIAN",
                "url": "http://www.debian.org/security/2017/dsa-3871"
            },
            {
                "refsource": "MLIST",
                "name": "[activemq-issues] 20190820 [jira] [Created] (AMQ-7279) Security Vulnerabilities in Libraries - jackson-databind-2.9.8.jar, tomcat-servlet-api-8.0.53.jar, tomcat-websocket-api-8.0.53.jar, zookeeper-3.4.6.jar, guava-18.0.jar, jetty-all-9.2.26.v20180806.jar, scala-library-2.11.0.jar",
                "url": "https://lists.apache.org/thread.html/053d9ce4d579b02203db18545fee5e33f35f2932885459b74d1e4272@%3Cissues.activemq.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[nifi-commits] 20191113 svn commit: r1869773 - /nifi/site/trunk/security.html",
                "url": "https://lists.apache.org/thread.html/bcce5a9c532b386c68dab2f6b3ce8b0cc9b950ec551766e76391caa3@%3Ccommits.nifi.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[nifi-commits] 20200123 svn commit: r1873083 - /nifi/site/trunk/security.html",
                "url": "https://lists.apache.org/thread.html/rca37935d661f4689cb4119f1b3b224413b22be161b678e6e6ce0c69b@%3Ccommits.nifi.apache.org%3E"
            },
            {
                "url": "https://www.oracle.com/security-alerts/cpujul2020.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com/security-alerts/cpujul2020.html"
            },
            {
                "name": "https://issues.apache.org/jira/browse/ZOOKEEPER-2693",
                "refsource": "CONFIRM",
                "url": "https://issues.apache.org/jira/browse/ZOOKEEPER-2693"
            },
            {
                "url": "https://www.oracle.com//security-alerts/cpujul2021.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com//security-alerts/cpujul2021.html"
            }
        ]
    }
}