Design/Logic Flaw

2021-04-2214:15:00

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6.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

48.9%

JSON

FusionAuth fusionauth-samlv2 before 0.5.4 allows XXE attacks via a forged AuthnRequest or LogoutRequest because parseFromBytes uses javax.xml.parsers.DocumentBuilderFactory unsafely.

CPENameOperatorVersion
saml_v2lt0.5.4

CPE	Name	Operator	Version
	saml_v2	lt	0.5.4

References

github.com/FusionAuth/fusionauth-samlv2/commit/c66fb689d50010662f705d5b585c6388ce555dbd

github.com/FusionAuth/fusionauth-samlv2/compare/0.5.3...0.5.4

www.compass-security.com/fileadmin/Research/Advisories/2021-03_CSNC-2021-004_FusionAuth_SAML_Library_XML_External_Entity.txt