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Cisco Wireless LAN Controller Buffer Overread Vulnerability

Cisco-SA-20131122-CVE-2013-6699 · Medium · Published · Updated

A vulnerability in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol of the Cisco Wireless LAN Controller (WLC) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to insufficient data packet validation. An attacker could exploit this vulnerability by sending a crafted CAPWAP packet to the Cisco WLC. Cisco has confirmed the vulnerability in a security notice; however, software updates are not available. To exploit this vulnerability, the attacker may need access to trusted, internal networks in which the targeted device may reside to send crafted CAPWAP packets to the device. This access requirement may reduce the likelihood of a successful exploit.

Cisco advisory ·CSAF JSON

Workarounds

Administrators are advised to contact the vendor regarding future updates and releases.

Administrators are advised to allow only trusted users to have network access.

Administrators may consider using IP-based access control lists (ACLs) to allow only trusted systems to access the affected systems.

Administrators are advised to monitor affected systems.

CVEsCVE-2013-6699
Cisco Bug IDsCSCuh81880
CVSS ScoreBase 5.0
Base 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P/E:H/RL:U/RC:C
Product Names From Source
Cisco Wireless LAN Controller (WLC) 4.0.196, Cisco Wireless LAN Controller (WLC) 4.0.108, Cisco Wireless LAN Controller (WLC) 4.0.155.5, Cisco Wireless LAN Controller (WLC) 4.0.179.8, Cisco Wireless LAN Controller (WLC) 4.0.179.11, Cisco Wireless LAN Controller (WLC) 4.0.155.0, Cisco Wireless LAN Controller (WLC) 4.0.206.0, Cisco Wireless LAN Controller (WLC) 4.0.217.0, Cisco Wireless LAN Controller (WLC) 4.0.219.0, Cisco Wireless LAN Controller (WLC) 3.2.78.0, Cisco Wireless LAN Controller (WLC) 3.2.116.21, Cisco Wireless LAN Controller (WLC) 3.2.150.6, Cisco Wireless LAN Controller (WLC) 3.2.150.10, Cisco Wireless LAN Controller (WLC) 3.2.171.5, Cisco Wireless LAN Controller (WLC) 3.2.171.6, Cisco Wireless LAN Controller (WLC) 3.2.185.0, Cisco Wireless LAN Controller (WLC) 3.2.195.10, Cisco Wireless LAN Controller (WLC) 3.2.193.5, Cisco Wireless LAN Controller (WLC) 3.1.105.0, Cisco Wireless LAN Controller (WLC) 3.1.59.24, Cisco Wireless LAN Controller (WLC) 3.1.111.0, Cisco Wireless LAN Controller (WLC) Base, Cisco Wireless LAN Controller (WLC) 4.1.181.0, Cisco Wireless LAN Controller (WLC) 4.1.171.0, Cisco Wireless LAN Controller (WLC) 4.1.185.0, Cisco Wireless LAN Controller (WLC) 4.2.61.0, Cisco Wireless LAN Controller (WLC) 4.2.99.0, Cisco Wireless LAN Controller (WLC) 4.2.112.0, Cisco Wireless LAN Controller (WLC) 4.2.130.0, Cisco Wireless LAN Controller (WLC) 4.2.117.0, Cisco Wireless LAN Controller (WLC) 4.2.173.0, Cisco Wireless LAN Controller (WLC) 4.2.174.0, Cisco Wireless LAN Controller (WLC) 4.2.176.0, Cisco Wireless LAN Controller (WLC) 4.2.182.0, Cisco Wireless LAN Controller (WLC) 5.0.148.0, Cisco Wireless LAN Controller (WLC) 5.0.148.2, Cisco Wireless LAN Controller (WLC) 5.1.151.0, Cisco Wireless LAN Controller (WLC) 5.1.152.0, Cisco Wireless LAN Controller (WLC) 5.1.160.0, Cisco Wireless LAN Controller (WLC) 5.2.157.0, Cisco Wireless LAN Controller (WLC) 5.2.169.0, Cisco Wireless LAN Controller (WLC) 6.0.182.0, Cisco Wireless LAN Controller (WLC) 6.0.188.0, Cisco Wireless LAN Controller (WLC) 6.0.196.0, Cisco Wireless LAN Controller (WLC) 6.0.199.4, Cisco Wireless LAN Controller (WLC) 6.0.202.0, Cisco Wireless LAN Controller (WLC) 7.0.98.0, Cisco Wireless LAN Controller (WLC) 7.0.116.0, Cisco Wireless LAN Controller (WLC) 7.0.98.218, Cisco Wireless LAN Controller (WLC) 7.0.220.0, Cisco Wireless LAN Controller (WLC) 7.1.91.0, Cisco Wireless LAN Controller (WLC) 7.2.103.0, Cisco Wireless LAN Controller (WLC) 7.4.100.0, Cisco Wireless LAN Controller (WLC) 7.4.100.60, Cisco Wireless LAN Controller (WLC) 7.4.110.0, Cisco Wireless LAN Controller (WLC) 7.3.101.0, Cisco Wireless LAN Controller (WLC) 7.3.112.0, Cisco Wireless LAN Controller (WLC)

Related Products

Product CVE Evidence
Cisco Wireless LAN Controller (WLC) CVE-2013-6699 Cisco OpenVuln