cvelist/2017/18xxx/CVE-2017-18078.json

{
   "CVE_data_meta" : {
      "ASSIGNER" : "cve@mitre.org",
      "ID" : "CVE-2017-18078",
      "STATE" : "PUBLIC"
   },
   "affects" : {
      "vendor" : {
         "vendor_data" : [
            {
               "product" : {
                  "product_data" : [
                     {
                        "product_name" : "n/a",
                        "version" : {
                           "version_data" : [
                              {
                                 "version_value" : "n/a"
                              }
                           ]
                        }
                     }
                  ]
               },
               "vendor_name" : "n/a"
            }
         ]
      }
   },
   "data_format" : "MITRE",
   "data_type" : "CVE",
   "data_version" : "4.0",
   "description" : {
      "description_data" : [
         {
            "lang" : "eng",
            "value" : "systemd-tmpfiles in systemd before 237 attempts to support ownership/permission changes on hardlinked files even if the fs.protected_hardlinks sysctl is turned off, which allows local users to bypass intended access restrictions via vectors involving a hard link to a file for which the user lacks write access, as demonstrated by changing the ownership of the /etc/passwd file."
         }
      ]
   },
   "problemtype" : {
      "problemtype_data" : [
         {
            "description" : [
               {
                  "lang" : "eng",
                  "value" : "n/a"
               }
            ]
         }
      ]
   },
   "references" : {
      "reference_data" : [
         {
            "name" : "43935",
            "refsource" : "EXPLOIT-DB",
            "url" : "https://www.exploit-db.com/exploits/43935/"
         },
         {
            "name" : "[oss-security] 20180129 CVE-2018-18078: systemd-tmpfiles root privilege escalation with fs.protected_hardlinks=0",
            "refsource" : "MLIST",
            "url" : "http://www.openwall.com/lists/oss-security/2018/01/29/3"
         },
         {
            "name" : "[oss-security] 20180129 Re: CVE-2017-18078: systemd-tmpfiles root privilege",
            "refsource" : "MLIST",
            "url" : "https://www.openwall.com/lists/oss-security/2018/01/29/4"
         },
         {
            "name" : "https://github.com/systemd/systemd/issues/7736",
            "refsource" : "MISC",
            "url" : "https://github.com/systemd/systemd/issues/7736"
         },
         {
            "name" : "http://packetstormsecurity.com/files/146184/systemd-Local-Privilege-Escalation.html",
            "refsource" : "MISC",
            "url" : "http://packetstormsecurity.com/files/146184/systemd-Local-Privilege-Escalation.html"
         },
         {
            "name" : "openSUSE-SU-2018:0560",
            "refsource" : "SUSE",
            "url" : "http://lists.opensuse.org/opensuse-updates/2018-02/msg00109.html"
         }
      ]
   }
}