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OpenStack Security Advisory: 2012-012 CVE: CVE-2012-3540 Date: August 30, 2012 Title: Open redirect through 'next' parameter Impact: Medium Reporter: Thomas Biege (SUSE) Products: Horizon Affects: Essex (2012.1)

Description: Thomas Biege from SUSE reported a vulnerability in Horizon authentication mechanism. By adding a malicious 'next' parameter to a Horizon authentication URL and enticing an unsuspecting user to follow it, the victim might get redirected after authentication to a malicious site where useful information could be extracted. Only setups running Essex are affected.

Fixes: 2012.1: https://github.com/openstack/horizon/commit/35eada8a27323c0f83c400177797927a...

References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=2012-3540 https://bugs.launchpad.net/horizon/+bug/1039077

Notes: This fix will be included in a future Essex (2012.1) release.

- -- Russell Bryant OpenStack Vulnerability Management Team