[USN-4925-1] Shibboleth vulnerability

========================================================================== Ubuntu Security Notice USN-4925-1 April 22, 2021
shibboleth-sp vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 20.04 LTS
Shibboleth could be made to display malicious content.
Software Description: – shibboleth-sp: Federated web single sign-on system
Toni Huttunen and Fraktal Oy discovered that the Shibboleth Service provider allowed content injection due to allowing attacker-controlled parameters in error or other status pages. An attacker could use this to inject malicious content.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.04 LTS: libapache2-mod-shib 3.0.4+dfsg1-1ubuntu0.1 libshibsp-plugins 3.0.4+dfsg1-1ubuntu0.1 libshibsp8 3.0.4+dfsg1-1ubuntu0.1 shibboleth-sp-common 3.0.4+dfsg1-1ubuntu0.1 shibboleth-sp-utils 3.0.4+dfsg1-1ubuntu0.1
In general, a standard system update will make all the necessary changes.
References: ubuntu.com/security/notices/USN-4925-1 CVE-2021-28963
Package Information: launchpad.net/ubuntu/+source/shibboleth-sp/3.0.4+dfsg1-1ubuntu0.1