Open Stack

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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/35eada8a27323c0f83c400177797927aba6bc99b

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
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