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Ubuntu 20.04 LTS USN-4925-1 Moderate: Shibboleth Content Injection

ubuntu
Calendar Grey April 22, 2021
Dist Ubuntu Esm H88
Uncover the Shibboleth flaw affecting Ubuntu 20.04 LTS and learn strategies to minimize content injection threats efficiently.
Shibboleth could be made to display malicious content.

Summary

Shibboleth could be made to display malicious content.

Software Description:

- shibboleth-sp: Federated web single sign-on system

Details:

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.

Topics%20covered

Topics Covered

security advisory moderate security issue software update Ubuntu malicious content shibboleth content injection

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

https://ubuntu.com/security/notices/USN-4925-1

CVE-2021-28963

April 22, 2021

Topics%20covered

Topics Covered

security advisory moderate security issue software update Ubuntu malicious content shibboleth content injection

Package Information

https://launchpad.net/ubuntu/+source/shibboleth-sp/3.0.4+dfsg1-1ubuntu0.1

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