Sangoma Session Border Controller 2.3.23-119 GA Web Interface Webconfig.inc.php Username improper authentication

Summaryinfo

A vulnerability identified as critical has been detected in Sangoma Session Border Controller 2.3.23-119. Affected by this issue is some unknown functionality of the file /var/webconfig/gui/Webconfig.inc.php of the component GA Web Interface. This manipulation of the argument Username as part of Special Char causes improper authentication. This vulnerability appears as CVE-2019-12148. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability has been found in Sangoma Session Border Controller 2.3.23-119 and classified as critical. Affected by this vulnerability is some unknown functionality of the file /var/webconfig/gui/Webconfig.inc.php of the component GA Web Interface. The manipulation of the argument username as part of a Special Char leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The Sangoma Session Border Controller (SBC) 2.3.23-119 GA web interface is vulnerable to an authentication bypass via an argument injection vulnerability involving special characters in the username field. Upon successful exploitation, a remote unauthenticated user can login into the device's admin web portal without providing any credentials. This affects /var/webconfig/gui/Webconfig.inc.php.

The weakness was presented 10/22/2019 as not defined mailinglist post (Full-Disclosure). The advisory is shared at seclists.org. This vulnerability is known as CVE-2019-12148 since 05/16/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

By approaching the search of inurl:var/webconfig/gui/Webconfig.inc.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-144012 for similar entry. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• Sangoma

Name

• Session Border Controller

Version

• 2.3.23-119

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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