The Extended Control List (ECL) feature of the Java Virtual Machine (JVM) in Lotus Notes Client R5 allows malicious web site operators to determine the existence of files on the client by measuring delays in the execution of the getSystemResource method.
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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http://archives.neohapsis.com/archives/bugtraq/2000-11/0341.html | mailing list broken link |
http://www.securityfocus.com/bid/1994 | vendor advisory exploit vdb entry third party advisory broken link |