XML-Sig versions 0.27 through 0.67 for Perl incorrectly validates XML files if signatures are omitted. An attacker can remove the signature from the XML document to make it pass the verification check. XML-Sig is a Perl module to validate signatures on XML files. An unsigned XML file should return an error message. The affected versions return true when attempting to validate an XML file that contains no signatures.
This version allows for the signing of multiple IDs in an XML
3119a7e Move xml files to unsigned 45fadd1 Move xml files to signed and unsigned bf37f9b Add and clarify comments and fix one context dbbfd63 Add tests for signing and verifying multiple nodes 3ebef38 Allows signing multiple ID sections