--- title: "CVE-2012-3540\n | Ubuntu" description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/CVE-2012-3540?format=md keywords: index, follow --- # CVE-2012-3540 Publication date 5 September 2012 Last updated 4 August 2025 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description Open redirect vulnerability in views/auth\_forms.py in OpenStack Dashboard (Horizon) Essex (2012.1) allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the next parameter to auth/login/. NOTE: this issue was originally assigned CVE-2012-3542 by mistake. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | horizon | 12.04 LTS precise | Fixed 2012.1.3+stable~20120815-691dd2-0ubuntu1.1 | | 11.10 oneiric | Not in release | | 11.04 natty | Not in release | | 10.04 LTS lucid | Not in release | | 8.04 LTS hardy | Not in release | --- * [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) * [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses) ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3540) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2012-3540) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2012-3540) * [Debian](https://security-tracker.debian.org/tracker/CVE-2012-3540) ### Related Ubuntu Security Notices (USN) + [USN-1565-1](https://usn.ubuntu.com/USN-1565-1) + OpenStack Horizon vulnerability + 13 September 2012 ### Other references * *