Open Redirect Affecting nova Open this link in a new tab package, versions [23.0.0.0rc1,23.0.2) [22.0.0.0rc1,22.3.0) [,21.2.3)
Exploit Maturity
Proof of concept
Attack Complexity
Low
User Interaction
Required
Confidentiality
High
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications-
snyk-id
SNYK-PYTHON-NOVA-1321020
-
published
21 Jul 2021
-
disclosed
13 May 2021
-
credit
Unknown
Introduced: 13 May 2021
CVE-2021-3654 Open this link in a new tabHow to fix?
Upgrade nova
to version 23.0.2, 22.3.0, 21.2.3 or higher.
Overview
nova is an OpenStack Nova provides a cloud computing fabric controller, supporting a wide variety of compute technologies, including: libvirt (KVM, Xen, LXC and more), Hyper-V, VMware, XenServer, OpenStack Ironic and PowerVM.
Affected versions of this package are vulnerable to Open Redirect. The console proxies used (novnc
, serial
, spice
) run in a websockify
server whose request handler inherits from the python standard SimpleHTTPRequestHandler
. There is a known issue in the SimpleHTTPRequestHandler
which allows open redirects by way of URLs in the following format: http://vncproxy.my.domain.com//example.com/%2F..
, which if visited, will redirect a user to example.com
.