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.
Weakness
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Pysaml2 | Pysaml2_project | * | 4.4.0 (including) |
| Python-pysaml2 | Ubuntu | artful | * |
| Python-pysaml2 | Ubuntu | devel | * |
| Python-pysaml2 | Ubuntu | esm-infra-legacy/xenial | * |
| Python-pysaml2 | Ubuntu | esm-infra/xenial | * |
| Python-pysaml2 | Ubuntu | xenial | * |
| Python-pysaml2 | Ubuntu | zesty | * |
Potential Mitigations
Related Attack Patterns
- https://cwe.mitre.org/data/definitions/114.html
- https://cwe.mitre.org/data/definitions/115.html
- https://cwe.mitre.org/data/definitions/151.html
- https://cwe.mitre.org/data/definitions/194.html
- https://cwe.mitre.org/data/definitions/22.html
- https://cwe.mitre.org/data/definitions/57.html
- https://cwe.mitre.org/data/definitions/593.html
- https://cwe.mitre.org/data/definitions/633.html
- https://cwe.mitre.org/data/definitions/650.html
- https://cwe.mitre.org/data/definitions/94.html
References
- https://github.com/rohe/pysaml2/issues/451
- https://lists.debian.org/debian-lts-announce/2018/07/msg00000.html
- https://lists.debian.org/debian-lts-announce/2021/02/msg00038.html
- https://security.gentoo.org/glsa/201801-11
- https://github.com/rohe/pysaml2/issues/451
- https://lists.debian.org/debian-lts-announce/2018/07/msg00000.html
- https://lists.debian.org/debian-lts-announce/2021/02/msg00038.html
- https://security.gentoo.org/glsa/201801-11