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  1. MariaDB Server
  2. MDEV-5543

MyISAM repair unsafe usage of TMD files

    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: 5.1.67, 5.2.14, 5.3.12, 5.5.34, 10.0.7
    • Fix Version/s: 5.5.35, 10.0.8, 5.1.73, 5.2.15, 5.3.13
    • Component/s: None
    • Labels:
      None

      Description

      When MyISAM repairs a table it creates a temporary file (tablename.TMD) that will later be renamed to tablename.MYD. Due to insufficient checks it is possible to trick MyISAM into creating a TMD file in the protected location (such as datadir).

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            • Assignee:
              serg Sergei Golubchik
              Reporter:
              serg Sergei Golubchik
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              Dates

              • Created:
                Updated:
                Resolved: