Signature validation bypass in XmlSecLibs
High severity
GitHub Reviewed
Published
Nov 8, 2019
to the GitHub Advisory Database
•
Updated Feb 6, 2024
Package
Affected versions
>= 3.0.0, < 3.0.4
>= 1.0.0, < 2.1.1
Patched versions
3.0.4
2.1.1
Description
Reviewed
Nov 8, 2019
Published to the GitHub Advisory Database
Nov 8, 2019
Last updated
Feb 6, 2024
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