CVE-2017-12280 Denial of service in Cisco Wireless LAN Controller
Unauthenticated remote attackers can cause Cisco Wireless LAN Controllers to restart unexpectedly by sending crafted CAPWAP Discovery Request packets.
- 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-2017-12280?
CVE-2017-12280 is a high-severity denial of service vulnerability in Cisco Wireless Lan Controller Software, published on 2 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 Control and Provisioning of Wireless Access Points (CAPWAP) Discovery Request parsing functionality of Cisco Wireless LAN Controllers could allow an unauthenticated, remote attacker to cause an affected device to restart unexpectedly, resulting in a denial of service (DoS) condition. The vulnerability is due to incomplete input validation of fields in CAPWAP Discovery Request packets by the affected device. An attacker could exploit this vulnerability by sending crafted CAPWAP Discovery Request packets to an affected device. A successful exploit could allow the attacker to cause the affected device to restart unexpectedly, resulting in a DoS condition. Cisco Bug IDs: CSCvb95842.
Weakness: CWE-119
Which versions are affected by CVE-2017-12280?
It affects 1 product.
Products include Cisco Wireless Lan Controller Software.
How do I fix CVE-2017-12280?
No fix has been published for CVE-2017-12280 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-2017-12280 being exploited?
There is no known exploitation of CVE-2017-12280 in the wild and no public exploit code.
Other vulnerabilities in Cisco Wireless Lan Controller Software
Sources
Also known as GHSA-vxpc-2h97-6px9.