CVE-2017-6794 Command injection in Cisco Meeting Server
Authenticated local attackers can inject commands via the CLI to escalate privileges to root on Cisco Meeting Server.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-6794?
CVE-2017-6794 is a medium-severity command injection vulnerability in Cisco Meeting Server, published on 7 Sep 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in the CLI command-parsing code of Cisco Meeting Server could allow an authenticated, local attacker to perform command injection and escalate their privileges to root. The attacker must first authenticate to the application with valid administrator credentials. The vulnerability is due to insufficient validation of user-supplied input at the CLI for certain commands. An attacker could exploit this vulnerability by authenticating to the affected application and submitting a crafted CLI command for execution at the Cisco Meeting Server CLI. An exploit could allow the attacker to perform command injection and escalate their privilege level to root. Vulnerable Products: This vulnerability exists in Cisco Meeting Server software versions prior to and including 2.0, 2.1, and 2.2. Cisco Bug IDs: CSCvf53830.
Which versions are affected by CVE-2017-6794?
It affects 1 product.
Products include Cisco Meeting Server.
How do I fix CVE-2017-6794?
No fix has been published for CVE-2017-6794 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-2017-6794 being exploited?
There is no known exploitation of CVE-2017-6794 in the wild and no public exploit code.
Other vulnerabilities in Cisco Meeting Server
- CVE-2016-6448 Memory corruption in Cisco Meeting Server before 2.0.3 and Acano Server before 1.9.5
- CVE-2017-12249 Misconfiguration in Cisco Meeting Server
- CVE-2016-6445 Auth bypass in Cisco Meeting Server (CMS) before 2.0.6 and Acano Server before 1.8.18 and 1.9.x before 1.9.6
- CVE-2018-0439 Cisco Meeting Server Cross-Site Request Forgery Vulnerability
- CVE-2016-6444 Cross-site request forgery in Cisco Meeting Server 1.8, 1.9, 2.0
Sources
Also known as GHSA-6929-fmg8-wwgh.