XML signature wrapping attack

Metadata

medium
5.0
ruby-saml
CVE-2016-5697
github.com
2016-06-24
2017-06-16 19:20
CVE-2016-5697 ruby-saml
CVE-2016-5697
2017-04-01 19:10
2017-01-05 20:15

Description

ruby-saml prior to version 1.3.0 is vulnerable to an XML signature wrapping attack
in the specific scenario where there was a signature that referenced at the same time
2 elements (but past the scheme validator process since 1 of the element was inside
the encrypted assertion).

ruby-saml users must update to 1.3.0, which implements 3 extra validations to
mitigate this kind of attack.

Am I vulnerable?

The constraints below list the versions that this vulnerability is patched in, and versions that are unaffected. If a patch is ready but unrealeased, then it is pending.

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Affected package information

Package Patched in Unaffected in
ruby-saml >= 1.3.0 None