Permissions, Privileges, and Access Controls in Grandstream Networks, Inc. products - CVE-2018-17564

 

Permissions, Privileges, and Access Controls in Grandstream Networks, Inc. products - CVE-2018-17564

Published: November 20, 2019


Vulnerability identifier: #VU22869
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2018-17564
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
GXP1610
GXP1615
GXP1620
GXP1625
GXP1628
GXP1630
Grandstream Basic IP Phones firmware
Software vendor:
Grandstream Networks, Inc.

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to the "/app/war/cgi-bin/delete_CA" haserl script does not require authentication and permits to delete a previously uploaded CA certificate. A remote attacker can delete configuration parameters and gain admin access to the device.


Remediation

Install updates from vendor's website.

External links