pysaml2 version 4.4.0 and older accept any password when run with python optimizations enabled. This allows attackers to log in as any user without knowing their password.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2017-1000433 from the MITRE CVE dictionary dictionary and NIST NVD.
Red Hat Product Security has rated this issue as having security impact of Low for:
* Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7
* Red Hat OpenStack Platform 8.0 (Liberty)
* Red Hat OpenStack Platform 9.0 (Mitaka)
* Red Hat OpenStack Platform 10.0 (Newton)
* Red Hat OpenStack Platform 11.0 (Ocata)
* Red Hat OpenStack Platform 12.0 (Pike)
Although the affected code is present in shipped packages, python-pysaml2 is included only as a dependency of other packages. The affected code cannot be reached in any supported configuration of Red Hat OpenStack Platform.
This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 6.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity Impact | Low |
| Availability Impact | None |
| Platform | Package | State |
|---|---|---|
| Red Hat OpenStack Platform 9.0 | python-pysaml2 | Will not fix |
| Red Hat OpenStack Platform 8.0 (Liberty) | python-pysaml2 | Will not fix |
| Red Hat OpenStack Platform 12.0 | python-pysaml2 | Will not fix |
| Red Hat OpenStack Platform 11.0 (Ocata) | python-pysaml2 | Will not fix |
| Red Hat OpenStack Platform 10 | python-pysaml2 | Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 | python-pysaml2 | Will not fix |
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