The remote Debian 11 host has a package installed that is affected by multiple vulnerabilities as referenced in the dsa-5298 advisory.

  - Under certain ldap conditions, Cacti authentication can be bypassed with certain credential types.
    (CVE-2022-0730)

  - Cacti is an open source platform which provides a robust and extensible operational monitoring and fault     management framework for users. In affected versions a command injection vulnerability allows an     unauthenticated user to execute arbitrary code on a server running Cacti, if a specific data source was     selected for any monitored device. The vulnerability resides in the `remote_agent.php` file. This file can     be accessed without authentication. This function retrieves the IP address of the client via     `get_client_addr` and resolves this IP address to the corresponding hostname via `gethostbyaddr`. After     this, it is verified that an entry within the `poller` table exists, where the hostname corresponds to the     resolved hostname. If such an entry was found, the function returns `true` and the client is authorized.
    This authorization can be bypassed due to the implementation of the `get_client_addr` function. The     function is defined in the file `lib/functions.php` and checks serval `$_SERVER` variables to determine     the IP address of the client. The variables beginning with `HTTP_` can be arbitrarily set by an attacker.
    Since there is a default entry in the `poller` table with the hostname of the server running Cacti, an     attacker can bypass the authentication e.g. by providing the header `Forwarded-For: <TARGETIP>`. This way     the function `get_client_addr` returns the IP address of the server running Cacti. The following call to     `gethostbyaddr` will resolve this IP address to the hostname of the server, which will pass the `poller`     hostname check because of the default entry. After the authorization of the `remote_agent.php` file is     bypassed, an attacker can trigger different actions. One of these actions is called `polldata`. The called     function `poll_for_data` retrieves a few request parameters and loads the corresponding `poller_item`     entries from the database. If the `action` of a `poller_item` equals `POLLER_ACTION_SCRIPT_PHP`, the     function `proc_open` is used to execute a PHP script. The attacker-controlled parameter `$poller_id` is     retrieved via the function `get_nfilter_request_var`, which allows arbitrary strings. This variable is     later inserted into the string passed to `proc_open`, which leads to a command injection vulnerability. By     e.g. providing the `poller_id=;id` the `id` command is executed. In order to reach the vulnerable call,     the attacker must provide a `host_id` and `local_data_id`, where the `action` of the corresponding     `poller_item` is set to `POLLER_ACTION_SCRIPT_PHP`. Both of these ids (`host_id` and `local_data_id`) can     easily be bruteforced. The only requirement is that a `poller_item` with an `POLLER_ACTION_SCRIPT_PHP`     action exists. This is very likely on a productive instance because this action is added by some     predefined templates like `Device - Uptime` or `Device - Polling Time`. This command injection     vulnerability allows an unauthenticated user to execute arbitrary commands if a `poller_item` with the     `action` type `POLLER_ACTION_SCRIPT_PHP` (`2`) is configured. The authorization bypass should be prevented     by not allowing an attacker to make `get_client_addr` (file `lib/functions.php`) return an arbitrary IP     address. This could be done by not honoring the `HTTP_...` `$_SERVER` variables. If these should be kept     for compatibility reasons it should at least be prevented to fake the IP address of the server running     Cacti. This vulnerability has been addressed in both the 1.2.x and 1.3.x release branches with `1.2.23`     being the first release containing the patch. (CVE-2022-46169)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SUSE15 host has packages installed that are affected by a vulnerability as referenced in the openSUSE-SU-2022:0145-1 advisory.

  - Under certain ldap conditions, Cacti authentication can be bypassed with certain credential types.
    (CVE-2022-0730)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Debian 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the dla-2965 advisory.

  - Cacti before 1.1.37 has XSS because it does not properly reject unintended characters, related to use of     the sanitize_uri function in lib/functions.php. (CVE-2018-10060)

  - Cacti before 1.1.37 has XSS because it makes certain htmlspecialchars calls without the ENT_QUOTES flag     (these calls occur when the html_escape function in lib/html.php is not used). (CVE-2018-10061)

  - In clearFilter() in utilities.php in Cacti before 1.2.3, no escaping occurs before printing out the value     of the SNMP community string (SNMP Options) in the View poller cache, leading to XSS. (CVE-2019-11025)

  - In Cacti before 1.2.11, disabling a user account does not immediately invalidate any permissions granted     to that account (e.g., permission to view logs). (CVE-2020-13230)

  - Multiple Cross Site Scripting (XSS) vulneratiblities exist in Cacti 1.2.12 in (1) reports_admin.php, (2)     data_queries.php, (3) data_input.php, (4) graph_templates.php, (5) graphs.php, (6) reports_admin.php, and     (7) data_input.php. (CVE-2020-23226)

  - Cacti 1.2.8 has stored XSS in data_sources.php, color_templates_item.php, graphs.php, graph_items.php,     lib/api_automation.php, user_admin.php, and user_group_admin.php, as demonstrated by the description     parameter in data_sources.php (a raw string from the database that is displayed by $header to trigger the     XSS). (CVE-2020-7106)

  - Cacti 1.1.38 allows authenticated users with User Management permissions to inject arbitrary web script or     HTML in the new_username field during creation of a new user via Copy method at user_admin.php.
    (CVE-2021-23225)

  - Under certain ldap conditions, Cacti authentication can be bypassed with certain credential types.
    (CVE-2022-0730)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Debian 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the dla-3252 advisory.

  - Multiple Cross Site Scripting (XSS) vulneratiblities exist in Cacti 1.2.12 in (1) reports_admin.php, (2)     data_queries.php, (3) data_input.php, (4) graph_templates.php, (5) graphs.php, (6) reports_admin.php, and     (7) data_input.php. (CVE-2020-23226)

  - A cross-site scripting (XSS) vulnerability exists in templates_import.php (Cacti 1.2.13) due to Improper     escaping of error message during template import preview in the xml_path field (CVE-2020-25706)

  - graph_realtime.php in Cacti 1.2.8 allows remote attackers to execute arbitrary OS commands via shell     metacharacters in a cookie, if a guest user has the graph real-time privilege. (CVE-2020-8813)

  - Under certain ldap conditions, Cacti authentication can be bypassed with certain credential types.
    (CVE-2022-0730)

  - Cacti is an open source platform which provides a robust and extensible operational monitoring and fault     management framework for users. In affected versions a command injection vulnerability allows an     unauthenticated user to execute arbitrary code on a server running Cacti, if a specific data source was     selected for any monitored device. The vulnerability resides in the `remote_agent.php` file. This file can     be accessed without authentication. This function retrieves the IP address of the client via     `get_client_addr` and resolves this IP address to the corresponding hostname via `gethostbyaddr`. After     this, it is verified that an entry within the `poller` table exists, where the hostname corresponds to the     resolved hostname. If such an entry was found, the function returns `true` and the client is authorized.
    This authorization can be bypassed due to the implementation of the `get_client_addr` function. The     function is defined in the file `lib/functions.php` and checks serval `$_SERVER` variables to determine     the IP address of the client. The variables beginning with `HTTP_` can be arbitrarily set by an attacker.
    Since there is a default entry in the `poller` table with the hostname of the server running Cacti, an     attacker can bypass the authentication e.g. by providing the header `Forwarded-For: <TARGETIP>`. This way     the function `get_client_addr` returns the IP address of the server running Cacti. The following call to     `gethostbyaddr` will resolve this IP address to the hostname of the server, which will pass the `poller`     hostname check because of the default entry. After the authorization of the `remote_agent.php` file is     bypassed, an attacker can trigger different actions. One of these actions is called `polldata`. The called     function `poll_for_data` retrieves a few request parameters and loads the corresponding `poller_item`     entries from the database. If the `action` of a `poller_item` equals `POLLER_ACTION_SCRIPT_PHP`, the     function `proc_open` is used to execute a PHP script. The attacker-controlled parameter `$poller_id` is     retrieved via the function `get_nfilter_request_var`, which allows arbitrary strings. This variable is     later inserted into the string passed to `proc_open`, which leads to a command injection vulnerability. By     e.g. providing the `poller_id=;id` the `id` command is executed. In order to reach the vulnerable call,     the attacker must provide a `host_id` and `local_data_id`, where the `action` of the corresponding     `poller_item` is set to `POLLER_ACTION_SCRIPT_PHP`. Both of these ids (`host_id` and `local_data_id`) can     easily be bruteforced. The only requirement is that a `poller_item` with an `POLLER_ACTION_SCRIPT_PHP`     action exists. This is very likely on a productive instance because this action is added by some     predefined templates like `Device - Uptime` or `Device - Polling Time`. This command injection     vulnerability allows an unauthenticated user to execute arbitrary commands if a `poller_item` with the     `action` type `POLLER_ACTION_SCRIPT_PHP` (`2`) is configured. The authorization bypass should be prevented     by not allowing an attacker to make `get_client_addr` (file `lib/functions.php`) return an arbitrary IP     address. This could be done by not honoring the `HTTP_...` `$_SERVER` variables. If these should be kept     for compatibility reasons it should at least be prevented to fake the IP address of the server running     Cacti. This vulnerability has been addressed in both the 1.2.x and 1.3.x release branches with `1.2.23`     being the first release containing the patch. (CVE-2022-46169)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
168615	Debian DSA-5298-1 : cacti - security update	Nessus	Debian Local Security Checks	12/10/2022	9/15/2023	critical
161509	openSUSE 15 Security Update : cacti, cacti-spine (openSUSE-SU-2022:0145-1)	Nessus	SuSE Local Security Checks	5/25/2022	5/25/2022	critical
159321	Debian DLA-2965-1 : cacti - LTS security update	Nessus	Debian Local Security Checks	3/29/2022	11/3/2023	critical
169445	Debian DLA-3252-1 : cacti - LTS security update	Nessus	Debian Local Security Checks	1/1/2023	9/11/2023	critical

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