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GHSA-pqm6-cgwr-x6pfhigh8.8

Signature validation bypass in XmlSecLibs

Impact

Rob Richards XmlSecLibs, all versions prior to v3.0.3, as used for example by SimpleSAMLphp, performed incorrect validation of cryptographic signatures in XML messages, allowing an authenticated attacker to impersonate others or elevate privileges by creating a crafted XML message.

Source excerpt · OSV

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

Affected rangeRecorded fix
From 3.0.0 before 3.0.4Ecosystem versions3.0.4
From 1.0.0 before 2.1.1Ecosystem versions2.1.1

Version evidence: OSV · GHSA-pqm6-cgwr-x6pf

View original version evidence (14 explicit versions)

Original source description

Rob Richards XmlSecLibs, all versions prior to v3.0.3, as used for example by SimpleSAMLphp, performed incorrect validation of cryptographic signatures in XML messages, allowing an authenticated attacker to impersonate others or elevate privileges by creating a crafted XML message.

References