It is confirmed that the original fix was incomplete. A new fix is being
merged to master https://review.opendev.org/c/openstack/nova/+/805654
(and then backported)
** Changed in: nova
Status: Fix Released => In Progress
** Changed in: nova/wallaby
Status: Fix Released => Confirmed
** Changed in: nova/ussuri
Status: Fix Committed => Confirmed
** Changed in: nova/train
Status: In Progress => Confirmed
** Changed in: nova/stein
Status: In Progress => Confirmed
** Changed in: nova/victoria
Status: Fix Committed => Confirmed
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Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/1927677
Title:
[OSSA-2021-002] Open Redirect in noVNC proxy (CVE-2021-3654)
Status in OpenStack Compute (nova):
In Progress
Status in OpenStack Compute (nova) stein series:
Confirmed
Status in OpenStack Compute (nova) train series:
Confirmed
Status in OpenStack Compute (nova) ussuri series:
Confirmed
Status in OpenStack Compute (nova) victoria series:
Confirmed
Status in OpenStack Compute (nova) wallaby series:
Confirmed
Status in OpenStack Security Advisory:
Fix Released
Bug description:
This bug report is related to Security.
Currently novnc is allowing open direction, which could potentially be
used for phishing attempts
To test.
https://<sites' vnc domain>//example.com/%2F..
include .. at the end
For example:
http://vncproxy.my.domain.com//example.com/%2F..
It will redirect to example.com. You can replace example.com with some
legitimate domain or spoofed domain.
The description of the risk is
By modifying untrusted URL input to a malicious site, an attacker may
successfully launch a phishing scam and steal user credentials.
Because the server name in the modified link is identical to the original
site, phishing attempts may have a more trustworthy appearance.
To manage notifications about this bug go to:
https://bugs.launchpad.net/nova/+bug/1927677/+subscriptions
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