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Multiple Vulnerabilities in Eyes of Network Web version 5.3

Synopsis

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.

Screenshot showing iFrame attack.

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’:

Screenshot illustrating XSS attack

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".

Screenshot of XSS attack.

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".

Screenshot illustrating XSS attack

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.

Disclosure Timeline

Tuesday, June 21, 2022: Vendor Notified
Tuesday, July 15, 2022: Second Notification Sent to Vendor
Tuesday, August 5, 2022: Third and Final Notification Sent to Vendor
Monday, August 15, 2022: TRA Published

All information within TRA advisories is provided “as is”, without warranty of any kind, including the implied warranties of merchantability and fitness for a particular purpose, and with no guarantee of completeness, accuracy, or timeliness. Individuals and organizations are responsible for assessing the impact of any actual or potential security vulnerability.

Tenable takes product security very seriously. If you believe you have found a vulnerability in one of our products, we ask that you please work with us to quickly resolve it in order to protect customers. Tenable believes in responding quickly to such reports, maintaining communication with researchers, and providing a solution in short order.

For more details on submitting vulnerability information, please see our Vulnerability Reporting Guidelines page.

If you have questions or corrections about this advisory, please email [email protected]

Risk Information

Tenable Advisory ID
TRA-2022-29
Credit
Derrie Sutton
CVSSv3 Base / Temporal Score
7.3
CVSSv3 Vector
AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Affected Products
Eyes of Network Web 5.3

Advisory Timeline

August 15, 2022: Initial Release
September 12, 2022: Corrected error in CVE number
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