CVE-2017-12306 Security feature bypass in Cisco Spark Board
An authenticated local attacker can bypass signature verification to install custom firmware on Cisco Spark Boards, enabling arbitrary code execution.
- 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-2017-12306?
CVE-2017-12306 is a medium-severity vulnerability in Cisco Spark Board, published on 16 Nov 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 upgrade process of Cisco Spark Board could allow an authenticated, local attacker to install an unverified upgrade package, aka Signature Verification Bypass. The vulnerability is due to insufficient upgrade package validation. An attacker could exploit this vulnerability by providing the upgrade process with an upgrade package that the attacker controls. An exploit could allow the attacker to install custom firmware to the Spark Board. Cisco Bug IDs: CSCvf84502.
Which versions are affected by CVE-2017-12306?
It affects 1 product.
Products include Cisco Conference Director.
How do I fix CVE-2017-12306?
No fix has been published for CVE-2017-12306 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-12306 being exploited?
There is no known exploitation of CVE-2017-12306 in the wild and no public exploit code.
Other vulnerabilities in Cisco Spark Board
Sources
Also known as GHSA-83qx-28gx-pcx4.