CVE-2019-1800 Cisco Wireless LAN Controller Software IAPP Message Handling Denial of Service Vulnerabilities
An unauthenticated adjacent attacker can cause a denial of service by sending malicious IAPP messages to Cisco Wireless LAN Controllers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-1800?
CVE-2019-1800 is a high-severity denial of service vulnerability in Cisco Wireless Lan Controller Software, published on 18 Apr 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in the handling of Inter-Access Point Protocol (IAPP) messages by Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. The vulnerability exist because the software improperly validates input on fields within IAPP messages. An attacker could exploit the vulnerability by sending malicious IAPP messages to an affected device. A successful exploit could allow the attacker to cause the Cisco WLC Software to reload, resulting in a DoS condition. Software versions prior to 8.2.170.0, 8.5.150.0, and 8.8.100.0 are affected.
Which versions are affected by CVE-2019-1800?
It affects 2 products.
Products include Cisco Wireless Lan Controller, Cisco Wireless Lan Controller Software.
How do I fix CVE-2019-1800?
No fix has been published for CVE-2019-1800 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-2019-1800 being exploited?
There is no known exploitation of CVE-2019-1800 in the wild and no public exploit code.
Other vulnerabilities in Cisco Wireless Lan Controller Software
- CVE-2014-0703 Race condition in n/a
- CVE-2014-0706 Cisco Wireless LAN Controller (WLC) devices 7.2 before 7.2.115.2, 7.3, and 7.4 before 7.4.110.0 allow remote attackers to cause a denial of
- CVE-2014-0707 Cisco Wireless LAN Controller (WLC) devices 7.2, 7.3, and 7.4 before 7.4.110.0 allow remote attackers to cause a denial of service (device r
- CVE-2018-0417 Cisco Wireless LAN Controller Software GUI Privilege Escalation Vulnerability
- CVE-2019-1796 Cisco Wireless LAN Controller Software IAPP Message Handling Denial of Service Vulnerabilities
Sources
Also known as GHSA-8c9m-qmrp-p848.