RedHat: RHSA-2019-0766:01 Important: mod_auth_mellon security and bug fix

    Date16 Apr 2019
    CategoryRed Hat
    2345
    Posted ByLinuxSecurity Advisories
    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,
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Important: mod_auth_mellon security and bug fix update
    Advisory ID:       RHSA-2019:0766-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2019:0766
    Issue date:        2019-04-16
    CVE Names:         CVE-2019-3877 CVE-2019-3878 
    =====================================================================
    
    1. Summary:
    
    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.
    
    2. Relevant releases/architectures:
    
    Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
    Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64
    Red Hat Enterprise Linux Workstation (v. 7) - x86_64
    Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
    Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le, s390x
    Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, ppc64le, s390x
    
    3. 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)
    
    4. 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
    
    5. Bugs fixed (https://bugzilla.redhat.com/):
    
    1691125 - CVE-2019-3877 mod_auth_mellon: open redirect in logout url when using URLs with backslashes
    1691126 - CVE-2019-3878 mod_auth_mellon: authentication bypass in ECP flow
    1697487 - mod_auth_mellon Cert files name wrong when hostname contains a number (fixed in upstream package) [rhel-7.6.z]
    
    6. Package List:
    
    Red Hat Enterprise Linux Server (v. 7):
    
    Source:
    mod_auth_mellon-0.14.0-2.el7_6.4.src.rpm
    
    ppc64:
    mod_auth_mellon-0.14.0-2.el7_6.4.ppc64.rpm
    mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.ppc64.rpm
    
    ppc64le:
    mod_auth_mellon-0.14.0-2.el7_6.4.ppc64le.rpm
    mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.ppc64le.rpm
    
    s390x:
    mod_auth_mellon-0.14.0-2.el7_6.4.s390x.rpm
    mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.s390x.rpm
    
    x86_64:
    mod_auth_mellon-0.14.0-2.el7_6.4.x86_64.rpm
    mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.x86_64.rpm
    
    Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
    
    Source:
    mod_auth_mellon-0.14.0-2.el7_6.4.src.rpm
    
    aarch64:
    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
    
    ppc64le:
    mod_auth_mellon-0.14.0-2.el7_6.4.ppc64le.rpm
    mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.ppc64le.rpm
    
    s390x:
    mod_auth_mellon-0.14.0-2.el7_6.4.s390x.rpm
    mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.s390x.rpm
    
    Red Hat Enterprise Linux Server Optional (v. 7):
    
    ppc64:
    mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.ppc64.rpm
    mod_auth_mellon-diagnostics-0.14.0-2.el7_6.4.ppc64.rpm
    
    ppc64le:
    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
    
    s390x:
    mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.s390x.rpm
    mod_auth_mellon-diagnostics-0.14.0-2.el7_6.4.s390x.rpm
    
    x86_64:
    mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.x86_64.rpm
    mod_auth_mellon-diagnostics-0.14.0-2.el7_6.4.x86_64.rpm
    
    Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):
    
    aarch64:
    mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.aarch64.rpm
    mod_auth_mellon-diagnostics-0.14.0-2.el7_6.4.aarch64.rpm
    
    ppc64le:
    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
    
    s390x:
    mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.s390x.rpm
    mod_auth_mellon-diagnostics-0.14.0-2.el7_6.4.s390x.rpm
    
    Red Hat Enterprise Linux Workstation (v. 7):
    
    Source:
    mod_auth_mellon-0.14.0-2.el7_6.4.src.rpm
    
    x86_64:
    mod_auth_mellon-0.14.0-2.el7_6.4.x86_64.rpm
    mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.x86_64.rpm
    
    Red Hat Enterprise Linux Workstation Optional (v. 7):
    
    x86_64:
    mod_auth_mellon-debuginfo-0.14.0-2.el7_6.4.x86_64.rpm
    mod_auth_mellon-diagnostics-0.14.0-2.el7_6.4.x86_64.rpm
    
    These packages are GPG signed by Red Hat for security.  Our key and
    details on how to verify the signature are available from
    https://access.redhat.com/security/team/key/
    
    7. References:
    
    https://access.redhat.com/security/cve/CVE-2019-3877
    https://access.redhat.com/security/cve/CVE-2019-3878
    https://access.redhat.com/security/updates/classification/#important
    
    8. Contact:
    
    The Red Hat security contact is . More contact
    details at https://access.redhat.com/security/team/contact/
    
    Copyright 2019 Red Hat, Inc.
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