CVE-2020-29565

Advisory

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. See CVE-2020-29565.

Affected package

Affected versions

Fixed versions

Vulnerability changelog

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. See CVE-2020-29565.


MISC:https://bugs.launchpad.net/horizon/+bug/1865026: https://bugs.launchpad.net/horizon/+bug/1865026
MISC:https://review.opendev.org/c/openstack/horizon/+/758841/: https://review.opendev.org/c/openstack/horizon/+/758841/
MISC:https://review.opendev.org/c/openstack/horizon/+/758843/: https://review.opendev.org/c/openstack/horizon/+/758843/

Resources

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29565
• 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