CVE-2020-29565 Information

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 ext\ parameter which would allow someone to supply a malicious URL in Horizon that can cause an automatic redirect to the provided malicious URL.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Reference

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 http://www.openwall.com/lists/oss-security/2020/12/08/2 https://www.debian.org/security/2020/dsa-4820

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1