vulnerability
Ubuntu: (CVE-2023-28625): libapache2-mod-auth-openidc vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Apr 3, 2023 | Jun 26, 2025 | Aug 18, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Apr 3, 2023
Added
Jun 26, 2025
Modified
Aug 18, 2025
Description
mod_auth_openidc is an authentication and authorization module for the Apache 2.x HTTP server that implements the OpenID Connect Relying Party functionality. In versions 2.0.0 through 2.4.13.1, when `OIDCStripCookies` is set and a crafted cookie supplied, a NULL pointer dereference would occur, resulting in a segmentation fault. This could be used in a Denial-of-Service attack and thus presents an availability risk. Version 2.4.13.2 contains a patch for this issue. As a workaround, avoid using `OIDCStripCookies`.
Solution
no-fix-ubuntu-package
References
- CVE-2023-28625
- https://attackerkb.com/topics/CVE-2023-28625
- CWE-476
- URL-https://github.com/OpenIDC/mod_auth_openidc/blame/3f11976dab56af0a46a7dddb7a275cc16d6eb726/src/mod_auth_openidc.c#L178-L179
- URL-https://github.com/OpenIDC/mod_auth_openidc/commit/c0e1edac3c4c19988ccdc7713d7aebfce6ff916a
- URL-https://github.com/OpenIDC/mod_auth_openidc/releases/tag/v2.4.13.2
- URL-https://github.com/OpenIDC/mod_auth_openidc/security/advisories/GHSA-f5xw-rvfr-24qr
- URL-https://www.cve.org/CVERecord?id=CVE-2023-28625
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