CVE-2017-12318 Denial of service in Cisco RF Gateway 1
Remote attackers can cause denial of service on Cisco RF Gateway 1 devices by exhausting TCP connections, disrupting video stream delivery.
- 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-2017-12318?
CVE-2017-12318 is a high-severity denial of service vulnerability in Cisco RF Gateway 1, published on 16 Nov 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the TCP state machine of Cisco RF Gateway 1 devices could allow an unauthenticated, remote attacker to prevent an affected device from delivering switched digital video (SDV) or video on demand (VoD) streams, resulting in a denial of service (DoS) condition. The vulnerability is due to a processing error with TCP connections to the affected device. An attacker could exploit this vulnerability by establishing a large number of TCP connections to an affected device and not actively closing those TCP connections. A successful exploit could allow the attacker to prevent the affected device from delivering SDV or VoD streams to set-top boxes. Cisco Bug IDs: CSCvf19887.
Which versions are affected by CVE-2017-12318?
It affects 1 product.
Products include Cisco Rf Gateway 1 Firmware.
How do I fix CVE-2017-12318?
No fix has been published for CVE-2017-12318 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2017-12318 being exploited?
There is no known exploitation of CVE-2017-12318 in the wild and no public exploit code.
Sources
Also known as GHSA-p674-x937-fj22.