Vulnerabilities > CVE-2024-24814

CVSS 7.5 - HIGH

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

HIGH

network

low complexity

openidc

debian

fedoraproject

NVD

Published: 2024-02-13

Updated: 2024-11-21

Summary

mod_auth_openidc is an OpenID Certified™ authentication and authorization module for the Apache 2.x HTTP server that implements the OpenID Connect Relying Party functionality. In affected versions missing input validation on mod_auth_openidc_session_chunks cookie value makes the server vulnerable to a denial of service (DoS) attack. An internal security audit has been conducted and the reviewers found that if they manipulated the value of the mod_auth_openidc_session_chunks cookie to a very large integer, like 99999999, the server struggles with the request for a long time and finally gets back with a 500 error. Making a few requests of this kind caused our server to become unresponsive. Attackers can craft requests that would make the server work very hard (and possibly become unresponsive) and/or crash with minimal effort. This issue has been addressed in version 2.4.15.2. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Vulnerable Configurations

Part	Description	Count
Application	Openidc Openidc MOD Auth Openidc 2.0.0 Openidc MOD Auth Openidc 2.1.0 Openidc MOD Auth Openidc 2.1.1 Openidc MOD Auth Openidc 2.1.2 Openidc MOD Auth Openidc 2.1.3 Openidc MOD Auth Openidc 2.1.4 Openidc MOD Auth Openidc 2.1.5 Openidc MOD Auth Openidc 2.1.6 Openidc MOD Auth Openidc 2.1.13 Openidc MOD Auth Openidc 2.2.0 Openidc MOD Auth Openidc 2.3.0 Openidc MOD Auth Openidc 2.3.1 Openidc MOD Auth Openidc 2.3.2 Openidc MOD Auth Openidc 2.3.3 Openidc MOD Auth Openidc 2.3.4 Openidc MOD Auth Openidc 2.3.5 Openidc MOD Auth Openidc 2.3.6 Openidc MOD Auth Openidc 2.3.7 Openidc MOD Auth Openidc 2.3.8 Openidc MOD Auth Openidc 2.3.9 Openidc MOD Auth Openidc 2.3.10 Openidc MOD Auth Openidc 2.3.10.1 Openidc MOD Auth Openidc 2.3.10.2 Openidc MOD Auth Openidc 2.3.11 Openidc MOD Auth Openidc 2.4.0 Openidc MOD Auth Openidc 2.4.0.1 Openidc MOD Auth Openidc 2.4.0.2 Openidc MOD Auth Openidc 2.4.0.3 Openidc MOD Auth Openidc 2.4.0.4 Openidc MOD Auth Openidc 2.4.1 Openidc MOD Auth Openidc 2.4.2 Openidc MOD Auth Openidc 2.4.2.1 Openidc MOD Auth Openidc 2.4.3 Openidc MOD Auth Openidc 2.4.4 Openidc MOD Auth Openidc 2.4.4.1 Openidc MOD Auth Openidc 2.4.5 Openidc MOD Auth Openidc 2.4.6 Openidc MOD Auth Openidc 2.4.7 Openidc MOD Auth Openidc 2.4.7.1 Openidc MOD Auth Openidc 2.4.7.2 Openidc MOD Auth Openidc 2.4.8.1 Openidc MOD Auth Openidc 2.4.8.2 Openidc MOD Auth Openidc 2.4.8.3 Openidc MOD Auth Openidc 2.4.8.4 Openidc MOD Auth Openidc 2.4.9 Openidc MOD Auth Openidc 2.4.9.1 Openidc MOD Auth Openidc 2.4.9.2 Openidc MOD Auth Openidc 2.4.9.3 Openidc MOD Auth Openidc 2.4.9.4 Openidc MOD Auth Openidc 2.4.10 Openidc MOD Auth Openidc 2.4.11 Openidc MOD Auth Openidc 2.4.11.1 Openidc MOD Auth Openidc 2.4.11.2 Openidc MOD Auth Openidc 2.4.11.3 Openidc MOD Auth Openidc 2.4.12 Openidc MOD Auth Openidc 2.4.12.1 Openidc MOD Auth Openidc 2.4.12.2 Openidc MOD Auth Openidc 2.4.12.3 Openidc MOD Auth Openidc 2.4.13 Openidc MOD Auth Openidc 2.4.13.1 Openidc MOD Auth Openidc 2.4.13.2 Openidc MOD Auth Openidc 2.4.14 Openidc MOD Auth Openidc 2.4.14.1	71
OS	Debian Debian Debian Linux 10.0	1
OS	Fedoraproject Fedoraproject Fedora 39	1

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Summary

Vulnerable Configurations

References

Vulnerabilities > CVE-2024-24814