GHSA-j5g2-q29x-cw3h: SimpleSAMLphp vulnerable to XXE in parsing SAML messages

December 2, 2024 (updated December 4, 2024)

When loading an (untrusted) XML document, for example the SAMLResponse, it’s possible to induce an XXE.

References

github.com/advisories/GHSA-j5g2-q29x-cw3h
github.com/simplesamlphp/simplesamlphp
github.com/simplesamlphp/simplesamlphp/security/advisories/GHSA-j5g2-q29x-cw3h
github.com/simplesamlphp/xml-common/security/advisories/GHSA-2x65-fpch-2fcm
nvd.nist.gov/vuln/detail/CVE-2024-52596

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