CVE-2024-52806: SimpleSAMLphp SAML2 has an XXE in parsing SAML messages

December 2, 2024

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

References

github.com/advisories/GHSA-pxm4-r5ph-q2m2
github.com/simplesamlphp/saml2
github.com/simplesamlphp/saml2/commit/5fd4ce4596656fb0c1278f15b8305825412e89f7
github.com/simplesamlphp/saml2/security/advisories/GHSA-pxm4-r5ph-q2m2
nvd.nist.gov/vuln/detail/CVE-2024-52806

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