Polycom VVX Web Interface - Change Admin Password as User

vendor:

VVX 410 UC Software

by:

Mike Brown

7,2

CVSS

HIGH

Privilege Escalation

287

CWE

Product Name: VVX 410 UC Software

Affected Version From: Polycom vvx 410 UC Software Version: 5.3.1.0436

Affected Version To: Polycom vvx 410 UC Software Version: 5.3.1.0436

Patch Exists: NO

Related CWE: N/A

CPE: a:polycom:vvx_410_uc_software

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: None

2017

Polycom VVX Web Interface – Change Admin Password as User

This module requires the user to have access to the 'User' account (Default User:123) in the Polycom VoIP phone's web interface. The user can use the following steps to escalate privileges and become the Admin user to reveal menu items internal IP addresses and account information. Login with the 'User' Account. Navigate to Settings > Change Password. Fill in 'Old Password' with the current 'User' password. Fill in 'New Password' with the new 'Admin' account password, and confirm. Using a live HTML editor, inspect the old password field. Change the name field to '120'. Click 'Save'. An error will be shown on screen but you can now log into the Admin account with the new password.

Mitigation:

Ensure that the web interface of the Polycom VoIP phone is secured with a strong password and access is restricted to authorized personnel only.

Source

Exploit-DB raw data:

# Exploit Title: Polycom VVX Web Interface - Change Admin Password as User
# Date: January 26, 2017
# Exploit Author: Mike Brown
# Vendor Homepage: http://www.polycom.com/
# Software Link: http://downloads.polycom.com/voice/voip/uc_sw_releases_matrix.html
# Version: Polycom vvx 410 UC Software Version: 5.3.1.0436
# CVE : N/A

# This module requires the user to have access to the "User" account (Default User:123) in the Polycom VoIP phone's web interface. 
# The user can use the following steps to escalate privileges and become the Admin user to reveal menu items internal IP addresses 
# and account information.

1. Login with the "User" Account.
2. Navigate to Settings > Change Password.
3. Fill in "Old Password" with the current "User" password.
4. Fill in "New Password" with the new "Admin" account password, and confirm.
5. Using a live HTML editor, inspect the old password field. you will see:
      <input id="olduserpswd" name="122" isrebootrequired="false" helpid="525" value="" paramname="device.auth.localUserPassword" 
      default="" config="????" variabletype="string" min="0" max="32" maxlength="32" hintdivid="userAccountConf.htm_1" type="password">
6. Change the name field to "120" 
7. Click "Save"
8. An error will be shown on screen but you can now log into the Admin account with the new password.