Apache Log4cxx: SQL injection when using ODBC appender

CVE-2023-31038

What is CVE-2023-31038?

Apache Log4cxx is susceptible to SQL injection attacks when the ODBC appender is used without proper escaping of database input. This vulnerability affects any C++ application that logs user input through the ODBC appender, particularly if it is compiled with ODBC support enabled before version 1.1.0. The logs are susceptible to manipulation if user input is passed directly into SQL statements without binding parameters securely. To mitigate this issue, users should upgrade to version 1.1.0 or higher, which ensures that parameters are properly bound in SQL statements. Migrating to the DBAppender class provides enhanced security and flexibility, albeit requiring adjustment of configuration files for proper implementation.

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