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[bug#62678] [PATCH] services: nginx: Harden php-location settings.
From: |
Bruno Victal |
Subject: |
[bug#62678] [PATCH] services: nginx: Harden php-location settings. |
Date: |
Wed, 5 Apr 2023 16:34:08 +0100 |
Incorporate advice from [2], which mitigates httpoxy[1] vulnerability and
disallows passing non-php files to the PHP backend.
[1]: <https://httpoxy.org/>
[2]: <https://www.nginx.com/resources/wiki/start/topics/examples/phpfcgi/>,
note 4.
* gnu/services/web.scm (nginx-php-location): Only pass existing php files to
backend. Mitigate httpoxy vulnerability.
---
Tested with: make check-system TESTS="nginx php-fpm"
gnu/services/web.scm | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/gnu/services/web.scm b/gnu/services/web.scm
index d56e893527..f5ed027bb4 100644
--- a/gnu/services/web.scm
+++ b/gnu/services/web.scm
@@ -1123,6 +1123,10 @@ (define* (nginx-php-location
(uri "~ \\.php$")
(body (list
"fastcgi_split_path_info ^(.+\\.php)(/.+)$;"
+ ;; Mitigate https://httpoxy.org/ vulnerabilities
+ "fastcgi_param HTTP_PROXY \"\";"
+ ;; Only pass existing php files to the backend.
+ "if (!-f $document_root$fastcgi_script_name) { return 404; }"
(string-append "fastcgi_pass unix:" socket ";")
"fastcgi_index index.php;"
(list "include " nginx-package "/share/nginx/conf/fastcgi.conf;")))))
base-commit: 6311493d7a6271bfbc51f4693857f9a12fe9965d
--
2.39.2
- [bug#62678] [PATCH] services: nginx: Harden php-location settings.,
Bruno Victal <=