libapache2-mod-auth-openidc: CVE-2023-28625: segfault DoS when OIDCStripCookies is set

Debian Bug report logs - #1033916
libapache2-mod-auth-openidc: CVE-2023-28625: segfault DoS when OIDCStripCookies is set

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: libapache2-mod-auth-openidc: CVE-2023-28625: segfault DoS when OIDCStripCookies is set

Date: Mon, 03 Apr 2023 22:38:37 +0200

Source: libapache2-mod-auth-openidc
Version: 2.4.12.3-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for libapache2-mod-auth-openidc.

CVE-2023-28625[0]:
| 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`.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2023-28625
    https://www.cve.org/CVERecord?id=CVE-2023-28625
[1] https://github.com/OpenIDC/mod_auth_openidc/security/advisories/GHSA-f5xw-rvfr-24qr

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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