PySAML2 allows remote attackers to conduct XML external entity (XXE) attacks via a crafted SAML XML request or response.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-10127 from the MITRE CVE dictionary dictionary and NIST NVD.
This flaw resides in the XML Security Library (xmlsec1) and will be updated there; Red Hat OpenStack Platform is not affected.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 7.3 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity Impact | Low |
| Availability Impact | Low |
| Platform | Package | State |
|---|---|---|
| Red Hat OpenStack Platform 9.0 | python-pysaml2 | Not affected |
| Red Hat OpenStack Platform 8.0 (Liberty) | python-pysaml2 | Not affected |
| Red Hat OpenStack Platform 11.0 (Ocata) | python-pysaml2 | Not affected |
| Red Hat OpenStack Platform 10 | python-pysaml2 | Not affected |
| Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 | python-pysaml2 | Not affected |
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