As a result of an observable discrepancy in returned messages, OPSWAT MetaDefender Core (MDCore) before 5.1.2 could allow an authenticated user to enumerate filenames on the server.
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.
Link | Tags |
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https://opswat.com | vendor advisory |
https://docs.opswat.com/mdcore/release-notes | release notes vendor advisory |