A flaw was found in the mod_auth_openidc module for Apache httpd. This flaw allows a remote, unauthenticated attacker to trigger a denial of service by sending an empty POST request when the OIDCPreservePost directive is enabled. The server crashes consistently, affecting availability.
History

Tue, 29 Apr 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 29 Apr 2025 12:15:00 +0000

Type Values Removed Values Added
Description A flaw was found in the mod_auth_openidc module for Apache httpd. This flaw allows a remote, unauthenticated attacker to trigger a denial of service by sending an empty POST request when the OIDCPreservePost directive is enabled. The server crashes consistently, affecting availability.
Title Mod_auth_openidc: dos via empty post in mod_auth_openidc with oidcpreservepost enabled
First Time appeared Redhat
Redhat enterprise Linux
Weaknesses CWE-248
CPEs cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}


cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2025-04-29T11:56:50.808Z

Updated: 2025-04-29T13:28:56.905Z

Reserved: 2025-04-23T06:53:53.124Z

Link: CVE-2025-3891

cve-icon Vulnrichment

Updated: 2025-04-29T13:28:45.457Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-04-29T12:15:32.137

Modified: 2025-04-29T13:52:10.697

Link: CVE-2025-3891

cve-icon Redhat

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