The thumbnail proxy server in EMC Documentum Digital Asset Manager (DAM) 6.5 SP3, 6.5 SP4, 6.5 SP5, and 6.5 SP6 before P13 allows remote attackers to conduct Documentum Query Language (DQL) injection attacks and bypass intended restrictions on querying objects via a crafted parameter in a query string.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.