The following data is constructed from data provided by Red Hat's json file at:

https://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_6940.json

Red Hat officially shut down their mailing list notifications October 10, 2023.  Due to this, Packet Storm has recreated the below data as a reference point to raise awareness.  It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.

- Packet Storm Staff




====================================================================
Red Hat Security Advisory

Synopsis:           Moderate: mod_auth_openidc:2.3 security and bug fix update
Advisory ID:        RHSA-2023:6940-01
Product:            Red Hat Enterprise Linux
Advisory URL:       https://access.redhat.com/errata/RHSA-2023:6940
Issue date:         2023-11-14
Revision:           01
CVE Names:          CVE-2022-23527
====================================================================

Summary: 

An update for the mod_auth_openidc:2.3 module is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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_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 oidc_validate_redirect_url() using tab character (CVE-2022-23527)

* mod_auth_openidc: NULL pointer dereference when OIDCStripCookies is set and a crafted Cookie header is supplied (CVE-2023-28625)

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 8.9 Release Notes linked from the References section.


Solution:

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



CVEs:

CVE-2022-23527

References:

https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.9_release_notes/index
https://bugzilla.redhat.com/show_bug.cgi?id=2072469
https://bugzilla.redhat.com/show_bug.cgi?id=2141850
https://bugzilla.redhat.com/show_bug.cgi?id=2153655
https://bugzilla.redhat.com/show_bug.cgi?id=2184118