Ubuntu Security Notice 2323-1 - Jason Hullinger discovered that OpenStack Horizon did not properly perform input sanitization on Heat templates. If a user were tricked into using a specially crafted Heat template, an attacker could conduct cross-site scripting attacks. With cross-site scripting vulnerabilities, if a user were tricked into viewing server output during a crafted server request, a remote attacker could exploit this to modify the contents, or steal confidential data, within the same domain. Craig Lorentzen discovered that OpenStack Horizon did not properly perform input sanitization when creating networks. If a user were tricked into launching an image using the crafted network name, an attacker could conduct cross-site scripting attacks. Various other issues were also addressed.
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