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HIGH8.8

GHSA-pqm6-cgwr-x6pf

Signature validation bypass in XmlSecLibs

Quick fix

GHSA-pqm6-cgwr-x6pf — robrichards/xmlseclibs: upgrade to the fixed version with the command below.

composer require robrichards/xmlseclibs:^3.0.4

Details

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.

Are you affected?

Enter the version of the package you're using.

Affected packages

Packagist/robrichards/xmlseclibs
Introduced in: 3.0.0Fixed in: 3.0.4
Fixcomposer require robrichards/xmlseclibs:^3.0.4
Packagist/robrichards/xmlseclibs
Introduced in: 1.0.0Fixed in: 2.1.1
Fixcomposer require robrichards/xmlseclibs:^2.1.1

References