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Code Issues Projects Releases Wiki Activity

Fix security vulnerabilities in suggested nginx configuration

Browse source 
The suggested configurations for nginx found in the documentation and
templates lead to vulnerabilities allowing host spoofing [1] and path
traversal [2], as reported by Gixy [3]. This commit fixes those issues.

[1] https://github.com/yandex/gixy/blob/master/docs/en/plugins/hostspoofing.md
[2] https://github.com/yandex/gixy/blob/master/docs/en/plugins/aliastraversal.md
[3] https://github.com/yandex/gixy
This commit is contained in:
Alex Balgavy 2021-03-03 12:21:06 +01:00
parent c748fc66cf
commit 6b59800dc6
3 changed files with 12 additions and 12 deletions
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2
docs/admin/filtron.rst
View file

@ -173,7 +173,7 @@ Use it along with ``nginx`` with the following example configuration.
location /searx {
proxy_pass http://127.0.0.1:4004/;
proxy_set_header Host $http_host;
proxy_set_header Host $host;
proxy_set_header Connection $http_connection;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

16
docs/admin/installation-nginx.rst
View file

@ -182,7 +182,7 @@ Started wiki`_ is always a good resource *to keep in the pocket*.
location /searx {
proxy_pass http://127.0.0.1:4004/;
proxy_set_header Host $http_host;
proxy_set_header Host $host;
proxy_set_header Connection $http_connection;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
@ -190,8 +190,8 @@ Started wiki`_ is always a good resource *to keep in the pocket*.
proxy_set_header X-Script-Name /searx;
}
location /searx/static {
alias /usr/local/searx/searx-src/searx/static;
location /searx/static/ {
alias /usr/local/searx/searx-src/searx/static/;
}
@ -205,7 +205,7 @@ Started wiki`_ is always a good resource *to keep in the pocket*.
location /morty {
proxy_pass http://127.0.0.1:3000/;
proxy_set_header Host $http_host;
proxy_set_header Host $host;
proxy_set_header Connection $http_connection;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
@ -309,8 +309,8 @@ Started wiki`_ is always a good resource *to keep in the pocket*.
proxy_buffering off;
}
location /searx/static {
alias /usr/local/searx/searx-src/searx/static;
location /searx/static/ {
alias /usr/local/searx/searx-src/searx/static/;
}
The ``X-Script-Name /searx`` is needed by the searx implementation to
@ -328,8 +328,8 @@ Started wiki`_ is always a good resource *to keep in the pocket*.
uwsgi_pass unix:/run/uwsgi/app/searx/socket;
}
location /searx/static {
alias /usr/local/searx/searx-src/searx;
location /searx/static/ {
alias /usr/local/searx/searx-src/searx/;
}
For searx to work correctly the ``base_url`` must be set in the

6
utils/templates/etc/nginx/default.apps-available/searx.conf:filtron
View file

@ -3,7 +3,7 @@
location ${SEARX_URL_PATH} {
proxy_pass http://127.0.0.1:4004/;
proxy_set_header Host \$http_host;
proxy_set_header Host \$host;
proxy_set_header Connection \$http_connection;
proxy_set_header X-Real-IP \$remote_addr;
proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
@ -11,6 +11,6 @@ location ${SEARX_URL_PATH} {
proxy_set_header X-Script-Name ${SEARX_URL_PATH};
}
location ${SEARX_URL_PATH}/static {
alias ${SEARX_SRC}/searx/static;
location ${SEARX_URL_PATH}/static/ {
alias ${SEARX_SRC}/searx/static/;
}