Description
An Incorrect Permission Assignment for Critical Resource flaw was found in Horizon on Red Hat OpenStack. Horizon session cookies are created without the HttpOnly flag despite HorizonSecureCookies being set to true in the environmental files, possibly leading to a loss of confidentiality and integrity.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | OpenStack | OpenStack 16.2 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenStack 16 | python-django-horizon | 1:16.2.3-2.20220926144724.d3d3d18.el8ost | RHSA-2022:8856 |
Advisories 2
- RHSA-2022:8856 Red Hat Security Advisory: Red Hat OpenStack Platform 16.2.4 (python-django-horizon) security update Red Hat Security Advisories (RHSA) · Aug 8, 2026
- WID-SEC-2022-0817 Red Hat OpenStack: Schwachstelle ermöglicht Manipulation von Dateien BSI CERT-Bund (WID) · Dec 7, 2022