CVE-2018-0442 Cisco Wireless LAN Controller Software Control and Provisioning of Wireless Access Points Protocol Information Disclosure Vulnerability
HighCVSS 7.5
EPSS 3.3%
- Published
- Updated
- Exploit status
- No public exploit known
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco wireless lan controller software | < 8.2.170.0 | 8.2.170.0 |
| cisco wireless lan controller software | >= 8.3, < 8.3.140.0 | 8.3.140.0 |
| cisco wireless lan controller software | >= 8.4, < 8.5.110.0 | 8.5.110.0 |
| cisco wireless lan controller software | >= 8.6, < 8.6.101.0 | 8.6.101.0 |
| cisco wireless lan controller software | >= 8.7, < 8.7.102.0 | 8.7.102.0 |
| Cisco Wireless LAN Controller (WLC) | All versions | No fix listed |
References
- 105664 third-party-advisory vdb-entry
- 1041923 third-party-advisory vdb-entry
- 20181017 Cisco Wireless LAN Controller Software Control and Provisioning of Wireless Access Points Protocol Information Disclosure Vulnerability vendor-advisory