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TITLE:
Cisco Wireless LAN Controllers ICMP Handling Denial of Service
Vulnerability

SECUNIA ADVISORY ID:
SA44384

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/44384/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=44384

RELEASE DATE:
2011-04-29

DISCUSS ADVISORY:
http://secunia.com/advisories/44384/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/44384/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=44384

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A vulnerability has been reported in Cisco Wireless LAN Controllers,
which can be exploited by malicious people to cause a DoS (Denial of
Service).

The vulnerability is caused due to an unspecified error when handling
ICMP traffic and can be exploited to cause a device to reload via
specially crafted ICMP packets.

The vulnerability is reported in the following products:
* Cisco 2100 Series Wireless LAN Controllers
* Cisco WLC526 Mobility Express Controller (AIR-WLC526-K9)
* Cisco NME-AIR-WLC Modules for Integrated Services Routers (ISRs)
* Cisco NM-AIR-WLC Modules for Integrated Services Routers (ISRs)

SOLUTION:
Update to a fixed version (Please see vendor's advisory for details).

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://www.cisco.com/warp/public/707/cisco-sa-20110427-wlc.shtml

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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Secunia NEVER sends attached files with advisories.
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