CVE-2018-25143: ipn4g Command Injection — Exploit

Description

Microhard Systems IPn4G 1.1.0 contains a service vulnerability that allows authenticated users to enable a restricted SSH shell with a default 'msshc' user. Attackers can exploit a custom 'ping' command in the NcFTP environment to escape the restricted shell and execute commands with root privileges.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-78 OS Command Injection

Affected Products

Vendor	Product	Versions
microhardcorp	ipn4g_firmware	All
microhardcorp	ipn4g	All
microhardcorp	ipn3gb_firmware	All
microhardcorp	ipn3gb	All
microhardcorp	ipn4gb_firmware	All
microhardcorp	ipn4gb	All
microhardcorp	ipn4gb_firmware	All
microhardcorp	ipn4gb	All
microhardcorp	ipn4gb_firmware	All
microhardcorp	ipn4gb	All
microhardcorp	bullet-3g_firmware	All
microhardcorp	bullet-3g	All
microhardcorp	vip4gb_firmware	All
microhardcorp	vip4gb	All
microhardcorp	vip4gb_firmware	All
microhardcorp	vip4gb	All
microhardcorp	vip4gb_wifi-n_firmware	All
microhardcorp	vip4gb_wifi-n	All
microhardcorp	bullet-3g_firmware	All
microhardcorp	bullet-3g	All
microhardcorp	bullet-lte_firmware	All
microhardcorp	bullet-lte	All
microhardcorp	ipn3gii_firmware	All
microhardcorp	ipn3gii	All
microhardcorp	ipn4gii_firmware	All
microhardcorp	ipn4gii	All
microhardcorp	bulletplus_firmware	All
microhardcorp	bulletplus	All
microhardcorp	dragon-lte_firmware	All
microhardcorp	dragon-lte	All

References

Exploits

https://www.exploit-db.com/exploits/45041 https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5486.php https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5486.php

Other References

http://www.microhardcorp.com

Frequently Asked Questions

What is CVE-2018-25143? +

Microhard Systems IPn4G 1.1.0 contains a service vulnerability that allows authenticated users to enable a restricted SSH shell with a default 'msshc' user. Attackers can exploit a custom 'ping' command in the NcFTP environment to escape the restricted shell and execute commands with root privileges. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2018-25143? +

CVE-2018-25143 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2018-25143? +

CVE-2018-25143 affects products from microhardcorp, specifically: bullet-3g, bullet-3g_firmware, bullet-lte, bullet-lte_firmware, bulletplus, bulletplus_firmware, dragon-lte, dragon-lte_firmware, ipn3gb, ipn3gb_firmware, ipn3gii, ipn3gii_firmware, ipn4g, ipn4g_firmware, ipn4gb, ipn4gb_firmware, ipn4gii, ipn4gii_firmware, vip4gb, vip4gb_firmware, vip4gb_wifi-n, vip4gb_wifi-n_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2018-25143? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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