Incorrect Authorization Affecting nginx-filesystem package, versions <2:1.20.1-22.0.1.el9


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
2.86% (87th percentile)

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  • Snyk IDSNYK-ORACLE9-NGINXFILESYSTEM-10243630
  • published24 May 2025
  • disclosed5 Feb 2025

Introduced: 5 Feb 2025

CVE-2025-23419  (opens in a new tab)
CWE-863  (opens in a new tab)

How to fix?

Upgrade Oracle:9 nginx-filesystem to version 2:1.20.1-22.0.1.el9 or higher.
This issue was patched in ELSA-2025-7331.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nginx-filesystem package and not the nginx-filesystem package as distributed by Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

When multiple server blocks are configured to share the same IP address and port, an attacker can use session resumption to bypass client certificate authentication requirements on these servers. This vulnerability arises when TLS Session Tickets https://nginx.org/en/docs/http/ngx_http_ssl_module.html#ssl_session_ticket_key are used and/or the SSL session cache https://nginx.org/en/docs/http/ngx_http_ssl_module.html#ssl_session_cache are used in the default server and the default server is performing client certificate authentication.  

Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS Base Scores

version 3.1