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Cisco Wireless LAN Controller Multiple Parameter Handling Denial of Service Vulnerability

Cisco-SA-20130903-CVE-2013-3474 · Medium · Published · Updated

A vulnerability in the Web Administrator Interface of Cisco Wireless LAN Controllers (WLC) could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to a failure to properly validate certain parameters prior to processing them on the device. An authenticated attacker with an account that is a member of either the Full Manager, Read Only, or Lobby Ambassador managers group could exploit this vulnerability by submitting a request to the affected device that contains a missing or malformed value for specific parameters. An exploit could allow the attacker to crash the device, resulting in a DoS condition, during a system reboot. Cisco has confirmed the vulnerability in a security notice and released software updates. To exploit this vulnerability, an attacker must authenticate to the targeted device. This access requirement limits the likelihood of a successful exploit. Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.

Workarounds

Administrators are advised to apply the appropriate updates.

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-2013-3474
Cisco Bug IDsCSCuh14159, CSCuh14313, CSCuh14368, CSCuh14436
CVSS ScoreBase 6.8
Base 6.8 AV:N/AC:L/Au:S/C:N/I:N/A:C/E:F/RL:OF/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) 7.5.102.0, Cisco Wireless LAN Controller (WLC)

CSAF Product Statuses

Product Status Source CVE Rows
3.1.105.0 known_affected cisco_csaf CVE-2013-3474 1
3.1.111.0 known_affected cisco_csaf CVE-2013-3474 1
3.1.59.24 known_affected cisco_csaf CVE-2013-3474 1
3.2.116.21 known_affected cisco_csaf CVE-2013-3474 1
3.2.150.10 known_affected cisco_csaf CVE-2013-3474 1
3.2.150.6 known_affected cisco_csaf CVE-2013-3474 1
3.2.171.5 known_affected cisco_csaf CVE-2013-3474 1
3.2.171.6 known_affected cisco_csaf CVE-2013-3474 1
3.2.185.0 known_affected cisco_csaf CVE-2013-3474 1
3.2.193.5 known_affected cisco_csaf CVE-2013-3474 1
3.2.195.10 known_affected cisco_csaf CVE-2013-3474 1
3.2.78.0 known_affected cisco_csaf CVE-2013-3474 1

Showing 12 of 58 CSAF status groups; 46 more not shown.

Related Products

Product CVE Evidence
Cisco Wireless LAN Controller (WLC) CVE-2013-3474 Cisco OpenVuln