Improper input validation in Cisco 5500 Series Wireless Controllers - CVE-2018-0235
Published: May 7, 2018
Vulnerability identifier: #VU12374
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-0235
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows an adjacent unauthenticated attacker to cause DoS condition on the target system.
The weakness exists in the 802.11 frame validation functionality due to incomplete input validation of certain 802.11 management information element frames that an affected device receives from wireless clients. An adjacent attacker can send a specially crafted 802.11 management frame and cause the service to crash.
Affected software
Cisco 5500 Series Wireless Controllers
How to mitigate CVE-2018-0235
Update to versions 8.7(102.0), 8.7(1.35), 8.6(101.0), 8.6(1.132), 8.5(110.0) or 8.5(107.62).