Multiple Vulnerabilities in Eyes of Network Web version 5.3

Several vulnerabilities have been discovered in the Eyes of Network web application. We have received no response from the vendor after repeated efforts to notify them of these vulnerabilities, and the application remains unpatched.

iFrame Injection

CVSSv3 Base Score: 7.3

CVSSv3 Vector: AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

CWE: 74

The url parameter of /module/module_frame/index.php is vulnerable to iFrame injection. An attacker could use this issue to trick the user into loading remote malicious content into their authenticated session, which could allow the attacker to steal the user's credentials or force the client to carry out unwanted actions.

Proof of concept

After browsing to the URL shown below, an authenticated user will be greeted with the Tenable home page.

Cross-site Scripting via /module/admin_notifier/rules.php

CVSSv3 Base Score: 5.4

CVSSv3 Vector: AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CWE: 79

We have observed that the following parameters of rules.php are vulnerable to cross-site scripting attacks.

• rule_notification
• rule_name
• rule_name_old

An attacker could abuse this issue to trick an authenticated user into executing malicious Javascript.

Proof of Concept

If an authenticated user directs their browser to the URL, https://<your-ip>/module/admin_notifier/rules.php?rule_name=%22%3E%3Cscript%3Ealert(%27XSS%27)%3C/script%3E, then the Javascript expression alert("XSS") will be executed in their browser, displaying the message ‘XSS’:

Cross-site Scripting via /module/report_event/index.php

CVSSv3 Base Score: 5.4

CVSSv3 Vector: AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CWE: 79

The following parameters of index.php are vulnerable to cross-site scripting attacks:

• rule_notification
• rule_name
• rule_name_old

An attacker could abuse this issue to trick an authenticated user into executing malicious Javascript.

Proof of Concept

Browsing to the URL https:///module/report_event/index.php?type=%22%3E%3Cscript%3Ealert(%27XSS%27)%3C%2fscript%3E as an authenticated user will cause the Javascript expression alert("XSS") to be executed in the browser, and will display the message "XSS".

Cross-site Scripting via /module/admin_user/add_modify_user.php

CVSSv3 Base Score: 5.4

CVSSv3 Vector: AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CWE: 79

The following parameters of add_modify_user.php are vulnerable to Cross Site Scripting:

• user_name
• user_mail

An attacker could abuse this issue to trick an authenticated user into executing malicious Javascript.

Proof of Concept

Browsing to the URL https:///module/admin_user/add_modify_user.php?user_name=%27%3E%3Cscript%3Ealert(%27XSS%27)%3C/script%3E as an authenticated user will cause the Javascript expression alert("XSS") to be executed in the browser, and will display the message "XSS".

Cross-site request forgery

CVSSv3 Base Score:  6.3

CVSSv3 Vector:      (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)

CWE: 352

There is no CSRF protection within this application; we can see in the POST request below that there is no CSRF token being used.

POST /module/admin_user/add_modify_user.php HTTP/1.1
Host: 
Cookie: glpi_dfa5b16f2330075f98b9929df5b4b397=6kijm2sinv45gcb9fp7g314bn1; PHPSESSID=af8pl9dedugc1qoc1ltcc6gel6; session_id=af8pl9dedugc1qoc1ltcc6gel6; user_name=admin; user_id=1; user_limitation=0; group_id=1
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:101.0) Gecko/20100101 Firefox/101.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded
Content-Length: 183
Upgrade-Insecure-Requests: 1

user_id=&user_name=hackerman&user_name_old=&user_mail=&user_descr=&user_password1=hackerman&user_password2=hackerman&user_language=en&theme=Default&user_group=1&nagvis_group=3&add=add

An attacker could exploit this issue by creating a dummy page that would perform actions within an authenticated user's session if they were tricked into using the malicious dummy page.

Proof of Concept

The below link will delete the admin user if browsed to by an authenticated user with administrative privileges.

Visiting the URL https:///module/admin_user/index.php?DataTables_Table_0_length=10&user_selected%5B%5D=1&user_mgt_list=delete_user&action=submit as an authenticated user will delete the admin user.