CVE-2018-0442 Information disclosure in Cisco Wireless LAN Controller (WLC)
An unauthenticated remote attacker can retrieve memory contents from Cisco Wireless LAN Controllers via crafted CAPWAP packets, leading to confidential information disclosure.
- 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-2018-0442?
CVE-2018-0442 is a high-severity vulnerability in Cisco Wireless Lan Controller Software, published on 17 Oct 2018. 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) protocol component of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to retrieve memory contents, which could lead to the disclosure of confidential information. The vulnerability is due to insufficient condition checks in the part of the code that handles CAPWAP keepalive requests. An attacker could exploit this vulnerability by sending a crafted CAPWAP keepalive packet to a vulnerable Cisco WLC device. A successful exploit could allow the attacker to retrieve the contents of device memory, which could lead to the disclosure of confidential information.
Weakness: CWE-200
Which versions are affected by CVE-2018-0442?
It affects 1 product.
Products include Cisco Wireless Lan Controller Software.
How do I fix CVE-2018-0442?
No fix has been published for CVE-2018-0442 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-0442 being exploited?
There is no known exploitation of CVE-2018-0442 in the wild and no public exploit code.
Other vulnerabilities in Cisco Wireless Lan Controller Software
Sources
Also known as GHSA-3gr8-wv6w-r2h8.