CVE-2019-12148

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.
Argument Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 67%
VendorProductVersion
sangomasession_border_controller_firmware
2.3.23-119-ga
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
http://packetstormsecurity.com/files/154915/Sangoma-SBC-2.3.23-119-GA-Authentication-Bypass.html
http://seclists.org/fulldisclosure/2019/Oct/41
http://packetstormsecurity.com/files/154915/Sangoma-SBC-2.3.23-119-GA-Authentication-Bypass.html
http://seclists.org/fulldisclosure/2019/Oct/41