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  1. Core Server
  2. SERVER-44377

Invariant failure on indexed inequality to null

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Details

    • Bug
    • Status: Closed
    • Critical - P2
    • Resolution: Fixed
    • 4.2.1, 4.3.1
    • 4.3.1, 4.2.2
    • Querying
    • Fully Compatible
    • ALL
    • v4.2
    • Query 2019-11-18
    • 0

    Description

      CVE-2019-20924

      Title:  Invariant in IndexBoundsBuilder

      Description:
      A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries which trigger an invariant in the IndexBoundsBuilder. This issue affects: MongoDB Inc. MongoDB Server v4.2 versions prior to 4.2.2.

      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 4.2.2.

      CWE: CWE-394: Unexpected Status Code or Return Value


      Due to a bug in the query planner it's possible to trip this invariant for certain types of queries.

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            ian.boros@mongodb.com Ian Boros
            ian.boros@mongodb.com Ian Boros
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            Dates

              Created:
              Updated:
              Resolved: