A weakness has been reported in OpenStack Dashboard (Horizon), which can be exploited by malicious people to conduct spoofing attacks.
Input passed via the "next" parameter to auth/login/ is not properly verified before being used to redirect users. This can be exploited to redirect a user to an arbitrary website e.g. when a user clicks a specially crafted link to the affected script hosted on a trusted domain.
The weakness is reported in version Essex (2012.1).
Solution: Fixed in the GIT repository.
Provided and/or discovered by: The vendor credits Thomas Biege, SUSE.
Original Advisory: http://www.openwall.com/lists/oss-security/2012/08/30/4
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