{
    "CVE_data_meta": {
        "ASSIGNER": "openssl-security@openssl.org",
        "DATE_PUBLIC": "2017-01-26",
        "ID": "CVE-2017-3731",
        "STATE": "PUBLIC",
        "TITLE": "Truncated packet could crash via OOB read"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "OpenSSL",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "openssl-1.1.0"
                                        },
                                        {
                                            "version_value": "openssl-1.1.0a"
                                        },
                                        {
                                            "version_value": "openssl-1.1.0b"
                                        },
                                        {
                                            "version_value": "openssl-1.1.0c"
                                        },
                                        {
                                            "version_value": "openssl-1.0.2"
                                        },
                                        {
                                            "version_value": "openssl-1.0.2a"
                                        },
                                        {
                                            "version_value": "openssl-1.0.2b"
                                        },
                                        {
                                            "version_value": "openssl-1.0.2c"
                                        },
                                        {
                                            "version_value": "openssl-1.0.2d"
                                        },
                                        {
                                            "version_value": "openssl-1.0.2e"
                                        },
                                        {
                                            "version_value": "openssl-1.0.2f"
                                        },
                                        {
                                            "version_value": "openssl-1.0.2g"
                                        },
                                        {
                                            "version_value": "openssl-1.0.2h"
                                        },
                                        {
                                            "version_value": "openssl-1.0.2i"
                                        },
                                        {
                                            "version_value": "openssl-1.0.2j"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "OpenSSL"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Robert \u015awi\u0119cki of Google"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "If an SSL/TLS server or client is running on a 32-bit host, and a specific cipher is being used, then a truncated packet can cause that server or client to perform an out-of-bounds read, usually resulting in a crash. For OpenSSL 1.1.0, the crash can be triggered when using CHACHA20/POLY1305; users should upgrade to 1.1.0d. For Openssl 1.0.2, the crash can be triggered when using RC4-MD5; users who have not disabled that algorithm should update to 1.0.2k."
            }
        ]
    },
    "impact": [
        {
            "lang": "eng",
            "url": "https://www.openssl.org/policies/secpolicy.html#Moderate",
            "value": "Moderate"
        }
    ],
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "out-of-bounds read"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "RHSA-2018:2185",
                "refsource": "REDHAT",
                "url": "https://access.redhat.com/errata/RHSA-2018:2185"
            },
            {
                "name": "RHSA-2018:2186",
                "refsource": "REDHAT",
                "url": "https://access.redhat.com/errata/RHSA-2018:2186"
            },
            {
                "name": "https://security.netapp.com/advisory/ntap-20171019-0002/",
                "refsource": "CONFIRM",
                "url": "https://security.netapp.com/advisory/ntap-20171019-0002/"
            },
            {
                "name": "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html",
                "refsource": "CONFIRM",
                "url": "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html"
            },
            {
                "name": "95813",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/95813"
            },
            {
                "name": "RHSA-2017:0286",
                "refsource": "REDHAT",
                "url": "http://rhn.redhat.com/errata/RHSA-2017-0286.html"
            },
            {
                "name": "FreeBSD-SA-17:02",
                "refsource": "FREEBSD",
                "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-17:02.openssl.asc"
            },
            {
                "name": "https://www.openssl.org/news/secadv/20170126.txt",
                "refsource": "CONFIRM",
                "url": "https://www.openssl.org/news/secadv/20170126.txt"
            },
            {
                "name": "1037717",
                "refsource": "SECTRACK",
                "url": "http://www.securitytracker.com/id/1037717"
            },
            {
                "name": "http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html",
                "refsource": "CONFIRM",
                "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html"
            },
            {
                "name": "https://www.tenable.com/security/tns-2017-04",
                "refsource": "CONFIRM",
                "url": "https://www.tenable.com/security/tns-2017-04"
            },
            {
                "name": "https://source.android.com/security/bulletin/pixel/2017-11-01",
                "refsource": "CONFIRM",
                "url": "https://source.android.com/security/bulletin/pixel/2017-11-01"
            },
            {
                "name": "GLSA-201702-07",
                "refsource": "GENTOO",
                "url": "https://security.gentoo.org/glsa/201702-07"
            },
            {
                "name": "http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html",
                "refsource": "CONFIRM",
                "url": "http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html"
            },
            {
                "name": "DSA-3773",
                "refsource": "DEBIAN",
                "url": "http://www.debian.org/security/2017/dsa-3773"
            },
            {
                "name": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03838en_us",
                "refsource": "CONFIRM",
                "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03838en_us"
            },
            {
                "name": "http://securityadvisories.paloaltonetworks.com/Home/Detail/82",
                "refsource": "CONFIRM",
                "url": "http://securityadvisories.paloaltonetworks.com/Home/Detail/82"
            },
            {
                "name": "RHSA-2018:2187",
                "refsource": "REDHAT",
                "url": "https://access.redhat.com/errata/RHSA-2018:2187"
            },
            {
                "name": "https://github.com/openssl/openssl/commit/00d965474b22b54e4275232bc71ee0c699c5cd21",
                "refsource": "MISC",
                "url": "https://github.com/openssl/openssl/commit/00d965474b22b54e4275232bc71ee0c699c5cd21"
            }
        ]
    }
}