Issued:
2019-04-16
Updated:
2019-04-16

RHSA-2019:0766 - Important: mod_auth_mellon security and bug fix update

Synopsis

Important: mod_auth_mellon security and bug fix update

Type/Severity

Security Advisory Important

Topic

An update for mod_auth_mellon is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The mod_auth_mellon 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.

Security Fix(es):

  • mod_auth_mellon: authentication bypass in ECP flow (CVE-2019-3878)

  • mod_auth_mellon: open redirect in logout url when using URLs with backslashes (CVE-2019-3877)

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.

Bug Fix(es):

  • mod_auth_mellon Cert files name wrong when hostname contains a number (fixed in upstream package) (BZ#1697487)

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

ProductVersionArch
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions7.6x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support7.6x86_64
Red Hat Enterprise Linux for Power, little endian7ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Update Support7.6ppc64le
Red Hat Enterprise Linux for Power, big endian7ppc64
Red Hat Enterprise Linux for Power, big endian - Extended Update Support7.6ppc64
Red Hat Enterprise Linux for Power 97ppc64le
Red Hat Enterprise Linux for IBM z Systems7s390x
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support7.6s390x
Red Hat Enterprise Linux for IBM System z (Structure A)7s390x
Red Hat Enterprise Linux for ARM 647aarch64
Red Hat Enterprise Linux Workstation7x86_64
Red Hat Enterprise Linux Server7x86_64
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions7.6ppc64le
Red Hat Enterprise Linux Server - TUS7.6x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support7x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian7ppc64le
Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian7ppc64
Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems)7s390x
Red Hat Enterprise Linux Server - AUS7.6x86_64

Updated Packages

  • mod_auth_mellon-0.14.0-2.el7_6.4.ppc64.rpm
  • mod_auth_mellon-0.14.0-2.el7_6.4.x86_64.rpm
  • mod_auth_mellon-0.14.0-2.el7_6.4.aarch64.rpm
  • mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.aarch64.rpm
  • mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.s390x.rpm
  • mod_auth_mellon-0.14.0-2.el7_6.4.s390x.rpm
  • mod_auth_mellon-diagnostics-0.14.0-2.el7_6.4.x86_64.rpm
  • mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.x86_64.rpm
  • mod_auth_mellon-0.14.0-2.el7_6.4.ppc64le.rpm
  • mod_auth_mellon-diagnostics-0.14.0-2.el7_6.4.s390x.rpm
  • mod_auth_mellon-0.14.0-2.el7_6.4.src.rpm
  • mod_auth_mellon-diagnostics-0.14.0-2.el7_6.4.ppc64.rpm
  • mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.ppc64le.rpm
  • mod_auth_mellon-diagnostics-0.14.0-2.el7_6.4.ppc64le.rpm
  • mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.ppc64.rpm
  • mod_auth_mellon-diagnostics-0.14.0-2.el7_6.4.aarch64.rpm

Fixes

CVEs

References

Additional information