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  1. Core Server
  2. SERVER-43350

The server crashes when trying to join collections ($ lookup with pipeline).

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Critical - P2
    • Resolution: Fixed
    • Affects Version/s: 3.6.14, 4.0.12, 4.2.0
    • Fix Version/s: 3.6.15, 4.0.13, 4.2.1, 4.3.1
    • Component/s: Usability
    • Labels:
      None
    • Backwards Compatibility:
      Fully Compatible
    • Operating System:
      ALL
    • Backport Requested:
      v4.2, v4.0, v3.6
    • Sprint:
      Query 2019-10-07

      Description

      CVE-2019-2393

      Title: Crash while joining collections with $lookup

      Description:
      A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries, which use $lookup and collations. This issue affects: MongoDB Inc. MongoDB Server v4.2 versions prior to 4.2.1; v4.0 versions prior to 4.0.13; v3.6 versions prior to 3.6.15.

      CVSS score:
      This issue's CVSS:3.1 severity is scored at 6.5 using the following scoring metrics:
      CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

      Affected versions:
      MongoDB Inc. MongoDB Server v4.2 versions prior to 4.2.1; v4.0 versions prior to 4.0.13; v3.6 versions prior to 3.6.15.

      CWE: CWE-416: Use After Free

        Attachments

        1. mongod.log
          758 kB
        2. col info.txt
          2 kB

          Activity

            People

            Assignee:
            bernard.gorman Bernard Gorman
            Reporter:
            gluhovalexey@gmail.com Alexey Glukhov
            Participants:
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              Dates

              Created:
              Updated:
              Resolved: