CVE-2019-12147 Command injection in n/a
Remote unauthenticated attackers can inject arguments to create sudo users, leading to full system compromise of Sangoma SBC devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-12147?
CVE-2019-12147 is a critical command injection vulnerability in n/a, published on 22 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-88
Which versions are affected by CVE-2019-12147?
It affects 1 product.
Products include Sangoma Session Border Controller Firmware.
How do I fix CVE-2019-12147?
No fix has been published for CVE-2019-12147 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2019-12147 being exploited?
There is no known exploitation of CVE-2019-12147 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-mvf4-5ff5-whch.