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Vulnerability Details : CVE-2017-5255

In version 3.5 and prior of Cambium Networks ePMP firmware, a lack of input sanitation for certain parameters on the web management console allows any authenticated user (including the otherwise low-privilege readonly user) to inject shell meta-characters as part of a specially-crafted POST request to the get_chart function and run OS-level commands, effectively as root.
Publish Date : 2017-12-20 Last Update Date : 2018-01-10
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- CVSS Scores & Vulnerability Types

CVSS Score
9.0
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Single system (The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface).)
Gained Access None
Vulnerability Type(s)
CWE ID 77

- Products Affected By CVE-2017-5255

# Product Type Vendor Product Version Update Edition Language
1 OS Cambiumnetworks Epmp 1000 Firmware 3.5 Version Details Vulnerabilities
2 OS Cambiumnetworks Epmp 2000 Firmware 3.5 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Cambiumnetworks Epmp 1000 Firmware 1
Cambiumnetworks Epmp 2000 Firmware 1

- References For CVE-2017-5255

https://www.exploit-db.com/exploits/43413/
EXPLOIT-DB 43413
https://blog.rapid7.com/2017/12/19/r7-2017-25-cambium-epmp-and-cnpilot-multiple-vulnerabilities/

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)

- Metasploit Modules Related To CVE-2017-5255

Cambium ePMP1000 'get_chart' Shell via Command Injection (v3.1-3.5-RC7)
This module exploits an OS Command Injection vulnerability in Cambium ePMP1000 device management portal. It requires any one of the following login credentials - admin/admin, installer/installer, home/home - to set up a reverse netcat shell. The module has been tested on versions 3.1-3.5-RC7.
Module type : exploit Rank : excellent
Cambium ePMP1000 'ping' Shell via Command Injection (up to v2.5)
This module exploits an OS Command Injection vulnerability in Cambium ePMP1000 device management portal. It requires any one of the following login credentials - admin/admin, installer/installer, home/home - to set up a reverse netcat shell.
Module type : exploit Rank : excellent
Cambium ePMP 1000 'get_chart' Command Injection (v3.1-3.5-RC7)
This module exploits an OS Command Injection vulnerability in Cambium ePMP 1000 (v3.1-3.5-RC7) device management portal. It requires any one of the following login credentials - admin/admin, installer/installer, home/home - to execute arbitrary system commands.
Module type : auxiliary Rank : normal


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