RHSA-2019:0766: Important: mod_auth_mellon security and bug fix update
The modauthmellon module for the Apache HTTP Server is an authentication service that implements the SAML 2.0 federation protocol. The module grants access based on the attributes received in assertions generated by an IdP server.<br>Security Fix(es):<br><li> modauthmellon: authentication bypass in ECP flow (CVE-2019-3878)</li> <li> modauthmellon: open redirect in logout url when using URLs with backslashes (CVE-2019-3877)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.<br>Bug Fix(es):<br><li> modauthmellon Cert files name wrong when hostname contains a number (fixed in upstream package) (BZ#1697487)</li>
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2019:0766?
The severity of RHSA-2019:0766 is classified as important.
How do I fix RHSA-2019:0766?
To fix RHSA-2019:0766, you should update the mod_auth_mellon package to the latest version provided by your operating system vendor.
What products are affected by RHSA-2019:0766?
RHSA-2019:0766 affects the mod_auth_mellon module for the Apache HTTP Server.
What vulnerabilities are addressed in RHSA-2019:0766?
RHSA-2019:0766 addresses vulnerabilities related to improper handling of SAML assertions in the mod_auth_mellon module.
Is there a workaround for RHSA-2019:0766?
There are no recommended workarounds for RHSA-2019:0766 other than applying the update.