Some vulnerabilities have been reported in ELOG, which can be exploited by malicious users to cause a DoS (Denial of Service) and conduct script insertion attacks.
1) An error exists within elogd when processing certain malformed input. This can be exploited to cause an endless loop by submitting specially crafted entries to any logbook.
Successful exploitation requires privileges to send entries to a logbook.
2) Input passed to the "subtext" parameter is not properly sanitised before being used. This can be exploited to insert arbitrary HTML and script code, which will be executed in a user's browser session in context of an affected site when a user views malicious data in the logbook.
Successful exploitation requires write access to a logbook.
Solution: Update to version 2.7.1.
Provided and/or discovered by: Reported by the vendor.
Original Advisory: http://midas.psi.ch/elog/download/ChangeLog
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Subject: ELOG Script Insertion and Denial of Service Vulnerabilities
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