CWE
119
Advisory Published
Updated

CVE-2012-1340: Buffer Overflow

First published: Mon Aug 06 2012(Updated: )

The Fibre Channel over IP (FCIP) implementation in Cisco MDS NX-OS 4.2 and 5.2 on MDS 9000 series switches allows remote attackers to cause a denial of service (module reload) via a crafted FCIP header, aka Bug ID CSCtn93151.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco MDS 9000 NX-OS=4.2
Cisco MDS 9000 NX-OS=5.2
Cisco MDS 9000 Series Multilayer Switches

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Frequently Asked Questions

  • What is the severity of CVE-2012-1340?

    CVE-2012-1340 has a high severity rating as it allows remote attackers to cause a denial of service by exploiting a vulnerability in the FCIP implementation.

  • How do I fix CVE-2012-1340?

    To fix CVE-2012-1340, upgrade the Cisco MDS 9000 NX-OS to the patched version recommended in the Cisco security advisory.

  • Which versions of Cisco MDS NX-OS are affected by CVE-2012-1340?

    CVE-2012-1340 affects Cisco MDS NX-OS versions 4.2 and 5.2 on MDS 9000 series switches.

  • What kind of attack does CVE-2012-1340 facilitate?

    CVE-2012-1340 facilitates a denial of service attack that can lead to a module reload on affected Cisco switches.

  • Is there a workaround for CVE-2012-1340?

    There is no official workaround for CVE-2012-1340; updating to a secure version is the recommended response.

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