Cisco Wireless LAN Controller Ethernet traffic denial of service

cisco-wlc-ethernet-traffic-dos (33607)

Medium Risk

Description:

Cisco Wireless LAN Controller (WLC) could allow a remote attacker on the local network segment to cause a denial of service. By sending malformed Ethernet traffic, a remote attacker could cause the controller to crash.

*CVSS:

Base Score:	5
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Complete
Temporal Score:	4.1
Exploitability:	Functional
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Denial of Service

Remedy:

Refer to cisco-sa-20070412-wlc for upgrade information. See References.

References:

• cisco-sa-20070412-wlc: Cisco Security Advisory: Multiple Vulnerabilities in the Cisco Wireless LAN Controller and Cisco Lightweight Access Points.
• BID-23461: Cisco Wireless Lan Controller Multiple Remote Vulnerabilities
• CVE-2007-2037: Cisco Wireless LAN Controller (WLC) before 3.2.116.21, and 4.0.x before 4.0.155.0, allows remote attackers on a local network to cause a denial of service (device crash) via malformed Ethernet traffic.
• OSVDB ID: 34135: Cisco Wireless LAN Controller (WLC) Malformed Ethernet Traffic DoS
• SECTRACK ID: 1017908: Cisco Wireless LAN Controller Lets Remote Users Modify the Configuration and Deny Service
• VUPEN/ADV-2007-1368: Cisco Wireless LAN Controller Security Bypass and Denial of Service Vulnerabilities

Platforms Affected:

• Cisco Wireless LAN Controller 3.2
• Cisco Wireless LAN Controller 4.0

Reported:

Apr 12, 2007

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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