USN-3924-1: mod_auth_mellon vulnerabilities

USN-3924-1: mod_auth_mellon vulnerabilities

libapache2-mod-auth-mellon vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

• Ubuntu 18.10
• Ubuntu 18.04 LTS

Summary

Several security issues were fixed in mod_auth_mellon.

Software Description

• libapache2-mod-auth-mellon – SAML 2.0 authentication module for Apache

Details

It was discovered that mod_auth_mellon incorrectly handled certain requests.
An attacker could possibly use this issue to redirect a user to a malicious
URL. (CVE-2019-3877)

It was discovered that mod_auth_mellon incorrectly handled certain requests.
An attacker could possibly use this issue to access sensitive information.
(CVE-2019-3878)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 18.10

libapache2-mod-auth-mellon – 0.14.0-1ubuntu0.1

Ubuntu 18.04 LTS

libapache2-mod-auth-mellon – 0.13.1-1ubuntu0.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes.

References

• CVE-2019-3877
• CVE-2019-3878

Source: USN-3924-1: mod_auth_mellon vulnerabilities