CVE-2018-5387

Public Exploit

Description

Wizkunde SAMLBase 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.

Categories

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.24%
Third-Party Advisory cert.org Third-Party Advisory duo.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: Wizkunde SAMLBase
Published at:
Updated at:

References

Link Tags
https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations third party advisory exploit
https://www.kb.cert.org/vuls/id/475445 third party advisory us government resource
https://github.com/GoGentoOSS/SAMLBase/issues/3 patch third party advisory issue tracking
https://github.com/GoGentoOSS/SAMLBase/commit/482cdf8c090e0f1179073034ebcb609ac7c3f5b3 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2018-5387?
CVE-2018-5387 has been scored as a high severity vulnerability.
How to fix CVE-2018-5387?
To fix CVE-2018-5387, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-5387 being actively exploited in the wild?
It is possible that CVE-2018-5387 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-5387?
CVE-2018-5387 affects Wizkunde SAMLBase.
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