1. EXECUTIVE SUMMARY

  • CVSS v3 7.1
  • ATTENTION: Low attack complexity 
  • Vendor: Cradlepoint
  • Equipment: IBR600
  • Vulnerabilities: Command Injection

2. RISK EVALUATION

Successful exploitation of this vulnerability could allow an attacker to execute code and native system commands.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

The following versions of Cradlepoint IBR600 are affected:

  • NetCloud OS (NCOS) Version: 6.5.0.160bc2e and prior

3.2 VULNERABILITY OVERVIEW

3.2.1    IMPROPER NEUTRALIZATION OF SPECIAL ELEMENTS USED IN A COMMAND (‘COMMAND INJECTION’) CWE-77

Cradlepoint IBR600 NCOS versions prior to 6.5.0.160bc2e are vulnerable to shell escape which enables local attackers with non-superuser credentials to gain full, unrestrictive shell access which may allow an attacker to execute arbitrary code.

CVE-2022-3086 has been assigned to this vulnerability. A CVSS v3 base score of 7.1 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).

3.3 BACKGROUND

  • CRITICAL INFRASTRUCTURE SECTORS: Information Technology
  • COUNTRIES/AREAS DEPLOYED: Worldwide
  • COMPANY HEADQUARTERS LOCATION: United States

3.4 RESEARCHER

Uri Katz of Claroty Research reported these vulnerabilities to CISA.

4. MITIGATIONS

Cradlepoint recommends users to update to at least version: 

  • NCOS v7.22.70

NCOS release 7.1.0 and greater are no longer available for manual or offline download and are performed via the NetCloud Manager, which requires a subscription. For more information and NCOS upgrade best practices visit Cradlepoint Netcloud Service. 

For more information about the latest update, see the Cradlepoint Release Notes.

CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.

CISA also provides a section for control systems security recommended practices on the ICS webpage at cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.

Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.

Source:
https://www.cisa.gov/uscert/ics/advisories/icsa-22-321-02