{
   "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 Święcki 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" : "https://github.com/openssl/openssl/commit/00d965474b22b54e4275232bc71ee0c699c5cd21",
            "refsource" : "MISC",
            "url" : "https://github.com/openssl/openssl/commit/00d965474b22b54e4275232bc71ee0c699c5cd21"
         },
         {
            "name" : "https://www.openssl.org/news/secadv/20170126.txt",
            "refsource" : "CONFIRM",
            "url" : "https://www.openssl.org/news/secadv/20170126.txt"
         },
         {
            "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" : "http://securityadvisories.paloaltonetworks.com/Home/Detail/82",
            "refsource" : "CONFIRM",
            "url" : "http://securityadvisories.paloaltonetworks.com/Home/Detail/82"
         },
         {
            "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://security.netapp.com/advisory/ntap-20171019-0002/",
            "refsource" : "CONFIRM",
            "url" : "https://security.netapp.com/advisory/ntap-20171019-0002/"
         },
         {
            "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" : "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html",
            "refsource" : "CONFIRM",
            "url" : "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html"
         },
         {
            "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" : "DSA-3773",
            "refsource" : "DEBIAN",
            "url" : "http://www.debian.org/security/2017/dsa-3773"
         },
         {
            "name" : "FreeBSD-SA-17:02",
            "refsource" : "FREEBSD",
            "url" : "https://security.FreeBSD.org/advisories/FreeBSD-SA-17:02.openssl.asc"
         },
         {
            "name" : "GLSA-201702-07",
            "refsource" : "GENTOO",
            "url" : "https://security.gentoo.org/glsa/201702-07"
         },
         {
            "name" : "RHSA-2017:0286",
            "refsource" : "REDHAT",
            "url" : "http://rhn.redhat.com/errata/RHSA-2017-0286.html"
         },
         {
            "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" : "RHSA-2018:2187",
            "refsource" : "REDHAT",
            "url" : "https://access.redhat.com/errata/RHSA-2018:2187"
         },
         {
            "name" : "95813",
            "refsource" : "BID",
            "url" : "http://www.securityfocus.com/bid/95813"
         },
         {
            "name" : "1037717",
            "refsource" : "SECTRACK",
            "url" : "http://www.securitytracker.com/id/1037717"
         }
      ]
   }
}