Debian DSA-4872-1 Critical: Shibboleth SP Phishing Risk

Toni Huttunen discovered that the Shibboleth service provider's template
engine used to render error pages could be abused for phishing attacks.

For additional information please refer to the upstream advisory at
https://shibboleth.net/community/advisories/secadv_20210317.txt

For the stable distribution (buster), this problem has been fixed in
version 3.0.4+dfsg1-1+deb10u1.

We recommend that you upgrade your shibboleth-sp packages.

For the detailed security status of shibboleth-sp please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/shibboleth-sp

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/