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Secunia presentations @ RSA Conference 2012, San Francisco, USA, 27 Feb-02 March
Listen to our Chief Security Specialist, Research Analyst Director, and Director Product Management & Quality Assurance discuss the industry's key topics. Also, visit the Secunia stand #817. Find out more: http://www.rsaconference.com/events/2012/usa/index.htm

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TITLE:
Cisco Nexus Series Switches IP Stack Processing Denial of Service
Vulnerability

SECUNIA ADVISORY ID:
SA47917

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/47917/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=47917

RELEASE DATE:
2012-02-16

DISCUSS ADVISORY:
http://secunia.com/advisories/47917/#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/47917/

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=47917

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 NX-OS, which can be
exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error within the IP stack
processing when obtaining layer 4 (UDP or TCP) information and can be
exploited to reload a device by sending a specially crafted IP
packet.

The vulnerability is reported in the following products:
* Cisco Nexus 1000v Series Switches versions 4.2.x prior to
4.2(1)SV1(5.1)
* Cisco Nexus 5000 Series Switches versions 5.0.x prior to
5.0(2)N1(1)
* Cisco Nexus 7000 Series Switches versions 4.2.x prior to 4.2.8,
versions 5.0.x prior to 5.0.5, and versions 5.1.x prior to 5.1.1

SOLUTION:
Apply update.

Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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

ORIGINAL ADVISORY:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120215-nxos

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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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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use those supplied by the vendor.

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