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Xymon and apache 2.4.35 security problem

list Marco Avvisano
Fri, 4 Oct 2019 11:30:47 +0200
Message-Id: <user-a2eb1501ec12@xymon.invalid>

Hi,

i also recently upgraded to Apache/2.4.41 and xymon 4.30 and i had the 
same problem.

I had to change from "Require all granted" to "Require all denied" to 
block access to? /xymon-seccgi,? but login not work for me

Here the section from ssl.conf :

ScriptAlias /xymon-seccgi/ "/usr/local/xymon/cgi-secure/"
<Directory "/usr/local/xymon/cgi-secure">
 ??? AllowOverride None
 ??? Options ExecCGI Includes FollowSymLinks
 ?? <IfModule mod_authz_core.c>
 ??????? # Apache 2.4+
 ?????? Require all denied
 ?? </IfModule>
 ??? <IfModule !mod_authz_core.c>
 ?????? Order deny,allow
 ?????? Allow from all
 ?? </IfModule>

 ??? # Password file where users with access to these scripts are kept.
 ??? # Create it with "htpasswd -c 
/usr/local/xymon/server/etc/xymonpasswd USERNAME"
 ??? # Add more users / change passwords with "htpasswd 
/usr/local/xymon/server/etc/xymonpasswd USERNAME"
 ??? #
 ??? # You can also use a group file to restrict admin access to members 
of a
 ??? # group, instead of anyone who is logged in. In that case you must 
setup
 ??? # the "xymongroups" file, and change the "Require" settings to require
 ??? # a specific group membership. See the Apache docs for more details.

 ??? AuthUserFile /usr/local/xymon/server/etc/xymonpasswd
 ??? AuthGroupFile /usr/loca/xymon/server/etc/xymongroups
 ??? AuthType Basic
 ??? AuthName "Xymon Administration"

 ??? # "valid-user" restricts access to anyone who is logged in.
 ??? Require valid-user

 ??? # "group admins" restricts access to users who have logged in, AND
 ??? # are members of the "admins" group in xymongroups.
 ??? #? Require group admins

</Directory>

Any Ideas ?

Best Regards,

Marco


Il 18/10/2018 22.11, LOZOVSKY, DANIEL L ha scritto:
I recently upgraded to apache 2.4.35 and was having some issues with 
password file to secure xymon-seccgi.? I got not get apache to read 
the password file.? To get it to work I had to change from Require all 
granted to Require all denied. ??Now, it works.? I get prompted to 
enter username and password.

Here is the section from my httpd.conf file for your reference if you 
will run into similar problems.

ScriptAlias /xymon-seccgi/ "/opt/app/workload/bbapp/bb/cgi-secure/"

<Directory "/opt/app/workload/bbapp/bb/cgi-secure">

??? AllowOverride None

??? Options ExecCGI Includes

??? <IfModule mod_authz_core.c>

??????? # Apache 2.4+

*Require all denied*

?? ?</IfModule>

??? <IfModule !mod_authz_core.c>

??????? Order deny,allow

??????? Allow from all

??? </IfModule>

??? # Password file where users with access to these scripts are kept.

??? # Although expected in $XYMONHOME/etc/ by the useradm and chpasswd

??? # scripts, files here can be read with the "config" message type,

????# which allows status-privileged clients to read arbitrary regular 
files

????# from the directory.

????#

????# This file should be owned and readable only by the apache server 
user,

??? # and ideally merely a symlink to a location outside of 
$XYMONHOME/etc/

??? #

????# Create it with:

??? #???????? htpasswd -c 
/opt/app/workload/bbapp/bb/server/etc/xymonpasswd USERNAME

??? #???????? chown apache:apache 
/opt/app/workload/bbapp/bb/server/etc/xymonpasswd

??? #???????? chmod 640 /opt/app/workload/bbapp/bb/server/etc/xymonpasswd

??? # Add more users / change passwords with: "htpasswd 
/opt/app/workload/bbapp/bb/server/etc/xymonpasswd USERNAME"

??? #

??? # You can also use a group file to restrict admin access to 
members of a

??? # group, instead of anyone who is logged in. In that case you must 
setup

??? # the "xymongroups" file, and change the "Require" settings to require

??? # a specific group membership. See the Apache docs for more details.

??? AuthUserFile /opt/app/workload/bbapp/bb/server/etc/xymonpasswd

??? AuthGroupFile /opt/app/workload/bbapp/bb/server/etc/xymongroups

??? AuthType Basic

??? AuthName "Xymon Administration"

??? # "valid-user" restricts access to anyone who is logged in.

??????? Require valid-user

??? # "group admins" restricts access to users who have logged in, AND

??? # are members of the "admins" group in xymongroups.

??? # Require group admins

</Directory>

I also enabled the following modules.

LoadModule authn_file_module modules/mod_authn_file.so

LoadModule authn_dbm_module modules/mod_authn_dbm.so

LoadModule authn_anon_module modules/mod_authn_anon.so

LoadModule authn_core_module modules/mod_authn_core.so

LoadModule authz_host_module modules/mod_authz_host.so

LoadModule authz_groupfile_module modules/mod_authz_groupfile.so

LoadModule authz_user_module modules/mod_authz_user.so

LoadModule authz_core_module modules/mod_authz_core.so

LoadModule access_compat_module modules/mod_access_compat.so

LoadModule auth_basic_module modules/mod_auth_basic.so

LoadModule reqtimeout_module modules/mod_reqtimeout.so

LoadModule filter_module modules/mod_filter.so

LoadModule mime_module modules/mod_mime.so

LoadModule log_config_module modules/mod_log_config.so

LoadModule env_module modules/mod_env.so

LoadModule headers_module modules/mod_headers.so

LoadModule setenvif_module modules/mod_setenvif.so

LoadModule version_module modules/mod_version.so

LoadModule unixd_module modules/mod_unixd.so

LoadModule status_module modules/mod_status.so

LoadModule autoindex_module modules/mod_autoindex.so

LoadModule cgid_module modules/mod_cgid.so

LoadModule dir_module modules/mod_dir.so

LoadModule alias_module modules/mod_alias.so

LoadModule rewrite_module modules/mod_rewrite.so