Cisco Content Services Switch Directory Structure File Reading Vulnerability

The Cisco Content Services (CSS) switches are hardware designed to provide enhanced web services for e-commerece and Web Content delivery using the Cisco Web Network Services (Web NS). The CSS switch is distributed by Cisco Systems.

A problem with the WebNS software could allow a local user access to restricted resources. CSS switches allow users access to certain functions on the switch, while enforcing access control to prevent the reading and change of configuration on the switch. Due to a problem in the handling of input, it is possible for a user to gain information on the structure of the directory by executing commands requesting non-existent filenames. Once the structure of the directory is know, it is then possible to read files within the directory.

This problem makes it possible for a malicious local user to map the directory tree, and read files that may contain sensitive information.


 

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