CVE-2017-11427
High
Description
OneLogin PythonSAML 2.3.0 and earlier may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that an attacker may be able to manipulate the SAML data without invalidating the cryptographic signature, allowing the attack to potentially bypass authentication to SAML service providers.
SeverityHigh
CVSS7.7
Exploit probability—
ProductOnelogin Pythonsaml
PublishedApr 17, 2019
First seenApr 17, 2019
Weakness typeCWE-287Improper authentication
How to fix
Update
- python-saml2.4.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| onelogin pythonsaml | v ≤ 2.3.0 | — |
| python-samlPyPI | v < 2.4.0 | 2.4.0 |
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