cvelist/2018/6xxx/CVE-2018-6556.json

{
   "CVE_data_meta" : {
      "ASSIGNER" : "security@ubuntu.com",
      "DATE_PUBLIC" : "2018-08-06T16:00:00.000Z",
      "ID" : "CVE-2018-6556",
      "STATE" : "PUBLIC",
      "TITLE" : "The lxc-user-nic component of LXC allows unprivileged users to open arbitrary files"
   },
   "affects" : {
      "vendor" : {
         "vendor_data" : [
            {
               "product" : {
                  "product_data" : [
                     {
                        "product_name" : "LXC",
                        "version" : {
                           "version_data" : [
                              {
                                 "affected" : ">=",
                                 "version_name" : "2.0",
                                 "version_value" : "2.0.9"
                              },
                              {
                                 "affected" : ">=",
                                 "version_name" : "3.0",
                                 "version_value" : "3.0.0"
                              },
                              {
                                 "affected" : "<",
                                 "version_name" : "3.0",
                                 "version_value" : "3.0.2"
                              }
                           ]
                        }
                     }
                  ]
               },
               "vendor_name" : "n/a"
            }
         ]
      }
   },
   "credit" : [
      {
         "lang" : "eng",
         "value" : "Matthias Gerstner from SUSE"
      }
   ],
   "data_format" : "MITRE",
   "data_type" : "CVE",
   "data_version" : "4.0",
   "description" : {
      "description_data" : [
         {
            "lang" : "eng",
            "value" : "lxc-user-nic when asked to delete a network interface will unconditionally open a user provided path. This code path may be used by an unprivileged user to check for the existence of a path which they wouldn't otherwise be able to reach. It may also be used to trigger side effects by causing a (read-only) open of special kernel files (ptmx, proc, sys). Affected releases are LXC: 2.0 versions above and including 2.0.9; 3.0 versions above and including 3.0.0, prior to 3.0.2."
         }
      ]
   },
   "problemtype" : {
      "problemtype_data" : [
         {
            "description" : [
               {
                  "lang" : "eng",
                  "value" : "Incorrect access control"
               }
            ]
         }
      ]
   },
   "references" : {
      "reference_data" : [
         {
            "name" : "https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1783591",
            "refsource" : "CONFIRM",
            "url" : "https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1783591"
         },
         {
            "name" : "https://bugzilla.suse.com/show_bug.cgi?id=988348",
            "refsource" : "CONFIRM",
            "url" : "https://bugzilla.suse.com/show_bug.cgi?id=988348"
         },
         {
            "name" : "GLSA-201808-02",
            "refsource" : "GENTOO",
            "url" : "https://security.gentoo.org/glsa/201808-02"
         },
         {
            "name" : "USN-3730-1",
            "refsource" : "UBUNTU",
            "url" : "https://usn.ubuntu.com/usn/usn-3730-1"
         }
      ]
   },
   "source" : {
      "advisory" : "USN-3730-1",
      "defect" : [
         "1783591"
      ],
      "discovery" : "EXTERNAL"
   }
}