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Vulnerability Summary
The Poly HDX telnet shell is vulnerable to a command shell authorization bypass. This vulnerability could be used by a malicious user to gain unauthorized access to the system and information disclosure. Poly made changes to the HDX software to address a race condition in the telnet authentication mechanism starting with the commercial software build 3.1.1.3 to prevent this vulnerability.
Published
Last Update: 3/4/2022
Initial Public Release: 5/7/2013
Advisory ID: PLYTV13-06
Product Affected
| PRODUCTS | FIRMWARE | FIX |
|---|---|---|
| HDX 4000 |
Prior to 3.1.1.3 | 3.1.1.3 and above |
| HDX 6000 |
Prior to 3.1.1.3 |
3.1.1.3 and above |
| HDX 7000 |
Prior to 3.1.1.3 |
3.1.1.3 and above |
| HDX 8000 |
Prior to 3.1.1.3 | 3.1.1.3 and above |
| HDX 9000 |
Prior to 3.1.1.3 | 3.1.1.3 and above |
Solution
Poly recommends customers upgrade to firmware build 3.1.1.3 or later.
Workaround
For customers who cannot upgrade to the fixed version, administrators can mitigate this vulnerability by disabling telnet on the HDX system.
Contact
Any customer using an affected system who is concerned about this vulnerability within their deployment should contact Poly Technical Support – (888) 248-4143, (916) 928-7561, or visit the Poly Support Site.
RECOGNITION
Poly would like to thank Paul Hass from Security-Assessment for reporting security vulnerabilities to us and for their coordinated disclosure.
Revision History
| VERSION | DATE | DESCRIPTION |
|---|---|---|
| 1.0 | 5/7/2013 |
Initial Release |
| 2.0 | 3/4/2022 |
Format Changes |
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