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Oracle9iAS Web Cache is a web caching solution for Oracle 9iAS Application Server, providing quick retrieval of dynamic web content. A problem exists in the handling of unexpected queries to the Web Cache software. A remote attacker may cause a denial of service attack on Oracle9iAS by sending a HTTP request with a header that has Content Length of 0, followed by three "0a"'s. This has the potential to deny service to legitimate users of the database. A manual restart of the service is required to resume normal functionality.

Oracle9iAS Web Cache is a web caching solution for Oracle 9iAS Application Server, providing quick retrieval of dynamic web content. A problem exists in the handling of unexpected queries to the Web Cache software. A remote attacker may cause a denial of service attack on Oracle9iAS by sending a HTTP request with a header that has Content Length of 0, followed by three "0a"'s. This has the potential to deny service to legitimate users of the database. A manual restart of the service is required to resume normal functionality.