National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-12147 Detail

Current Description

The Sangoma Session Border Controller (SBC) 2.3.23-119 GA web interface is vulnerable to Argument Injection via special characters in the username field. Upon successful exploitation, a remote unauthenticated user can create a local system user with sudo privileges, and use that user to login to the system (either via the web interface or via SSH) to achieve complete compromise of the device. This affects /var/webconfig/gui/Webconfig.inc.php and /usr/local/sng/bin/sng-user-mgmt.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 9.8 CRITICAL
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://packetstormsecurity.com/files/154914/Sangoma-SBC-2.3.23-119-GA-Unauthenticated-User-Creation.html Exploit Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2019/Oct/40 Exploit Mailing List Third Party Advisory
https://blog.appsecco.com Not Applicable

Weakness Enumeration

CWE-ID CWE Name Source
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:sangoma:session_border_controller_firmware:2.3.23-119-ga:*:*:*:*:*:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:h:sangoma:session_border_controller:-:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-12147
NVD Published Date:
10/22/2019
NVD Last Modified:
10/30/2019