Vulnerability CVE-2020-29565
Published: 2020-12-04

Description:
An issue was discovered in OpenStack Horizon before 15.3.2, 16.x before 16.2.1, 17.x and 18.x before 18.3.3, 18.4.x, and 18.5.x. There is a lack of validation of the "next" parameter, which would allow someone to supply a malicious URL in Horizon that can cause an automatic redirect to the provided malicious URL.

Type:

CWE-601

 (URL Redirection to Untrusted Site ('Open Redirect'))

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
4.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Openstack -> Horizon 

 References:
http://www.openwall.com/lists/oss-security/2020/12/08/2
https://bugs.launchpad.net/horizon/+bug/1865026
https://review.opendev.org/c/openstack/horizon/+/758841/
https://review.opendev.org/c/openstack/horizon/+/758843/
https://security.openstack.org/ossa/OSSA-2020-008.html
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