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Vulnerability Note VU#388282WebEOC uses a global shared keyOverviewWebEOC installations may use the a common secret key to encrypt data. If an attacker can retrieve this key from one site, they will be able to decipher all data encoded with the key across all WebEOC installations.I. DescriptionWebEOC is a web-based crisis information management application that provides functions to gather, coordinate, and disseminate information between emergency personnel and Emergency Operations Centers (EOC). All WebEOC installations may use a common secret key to encrypt data. If an attacker can successfully recover this secret key from any WebEOC installation, they may be able to decrypt data on every other WebEOC installation.II. ImpactIf this shared key is recovered by an attacker, that attacker may be able to decrypt all data encrypted using that key in all WebEOC installations. Such data that may be compromised may include system settings, emergency/medical data, and authentication information.III. SolutionUpgradeVersion 6.0.2 corrects this vulnerability. According to ESi:
Systems Affected
References
This document is based on technical analysis by IOActive and additional information from ESi. Thanks also to the City of Seattle for bringing this to our attention. This document was written by Jeff Gennari.
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