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Red Hat Security Advisory

Synopsis: Low: mod_auth_openidc security update
Advisory ID: RHSA-2020:3970-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3970
Issue date: 2020-09-29
CVE Names: CVE-2019-14857 CVE-2019-20479
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1. Summary:

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

Red Hat Product Security has rated this update as having a security impact
of Low. 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 Workstation (v. 7) – x86_64

3. Description:

The mod_auth_openidc is an OpenID Connect authentication module for Apache
HTTP Server. It enables an Apache HTTP Server to operate as an OpenID
Connect Relying Party and/or OAuth 2.0 Resource Server.

Security Fix(es):

* mod_auth_openidc: Open redirect in logout url when using URLs with
leading slashes (CVE-2019-14857)

* mod_auth_openidc: Open redirect issue exists in URLs with slash and
backslash (CVE-2019-20479)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.9 Release Notes linked from the References section.

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/):

1760613 – CVE-2019-14857 mod_auth_openidc: Open redirect in logout url when using URLs with leading slashes
1805102 – CVE-2019-20479 mod_auth_openidc: Open redirect issue exists in URLs with slash and backslash

6. Package List:

Red Hat Enterprise Linux Server (v. 7):

Source:
mod_auth_openidc-1.8.8-7.el7.src.rpm

ppc64:
mod_auth_openidc-1.8.8-7.el7.ppc64.rpm
mod_auth_openidc-debuginfo-1.8.8-7.el7.ppc64.rpm

ppc64le:
mod_auth_openidc-1.8.8-7.el7.ppc64le.rpm
mod_auth_openidc-debuginfo-1.8.8-7.el7.ppc64le.rpm

s390x:
mod_auth_openidc-1.8.8-7.el7.s390x.rpm
mod_auth_openidc-debuginfo-1.8.8-7.el7.s390x.rpm

x86_64:
mod_auth_openidc-1.8.8-7.el7.x86_64.rpm
mod_auth_openidc-debuginfo-1.8.8-7.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
mod_auth_openidc-1.8.8-7.el7.src.rpm

x86_64:
mod_auth_openidc-1.8.8-7.el7.x86_64.rpm
mod_auth_openidc-debuginfo-1.8.8-7.el7.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-2019-14857
https://access.redhat.com/security/cve/CVE-2019-20479
https://access.redhat.com/security/updates/classification/#low
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.9_release_notes/index

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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