medium
5
CWE
20
Advisory Published
Updated

CVE-2013-1122: Input Validation

First published: Wed Feb 13 2013(Updated: )

Cisco NX-OS on the Nexus 7000, when a certain Overlay Transport Virtualization (OTV) configuration is used, allows remote attackers to cause a denial of service (M1-Series module reload) via crafted packets, aka Bug ID CSCud15673.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco NX-OS
Cisco NX-OS=4.0
Cisco NX-OS=4.0\(0\)n1\(1a\)
Cisco NX-OS=4.0\(0\)n1\(2\)
Cisco NX-OS=4.0\(0\)n1\(2a\)
Cisco NX-OS=4.0\(1a\)n1\(1\)
Cisco NX-OS=4.0\(1a\)n1\(1a\)
Cisco NX-OS=4.0\(1a\)n2\(1\)
Cisco NX-OS=4.0\(1a\)n2\(1a\)
Cisco NX-OS=4.0\(4\)sv1\(1\)
Cisco NX-OS=4.0\(4\)sv1\(2\)
Cisco NX-OS=4.0\(4\)sv1\(3\)
Cisco NX-OS=4.0\(4\)sv1\(3a\)
Cisco NX-OS=4.0\(4\)sv1\(3b\)
Cisco NX-OS=4.0\(4\)sv1\(3c\)
Cisco NX-OS=4.0\(4\)sv1\(3d\)
Cisco NX-OS=4.1\(3\)n1\(1\)
Cisco NX-OS=4.1\(3\)n1\(1a\)
Cisco NX-OS=4.1\(3\)n2\(1\)
Cisco NX-OS=4.1\(3\)n2\(1a\)
Cisco NX-OS=4.1.\(2\)
Cisco NX-OS=4.1.\(3\)
Cisco NX-OS=4.1.\(4\)
Cisco NX-OS=4.1.\(5\)
Cisco NX-OS=4.2
Cisco NX-OS=4.2\(1\)
Cisco NX-OS=4.2\(1\)n1\(1\)
Cisco NX-OS=4.2\(1\)n2\(1\)
Cisco NX-OS=4.2\(1\)n2\(1a\)
Cisco NX-OS=4.2\(1\)sv1\(4\)
Cisco NX-OS=4.2\(1\)sv1\(4a\)
Cisco NX-OS=4.2\(1\)sv1\(5.1\)
Cisco NX-OS=4.2\(2\)
Cisco NX-OS=4.2\(3\)
Cisco NX-OS=4.2\(4\)
Cisco NX-OS=4.2\(6\)
Cisco NX-OS=4.2\(8\)
Cisco NX-OS=4.2.\(2a\)
Cisco NX-OS=5.0
Cisco NX-OS=5.0\(2\)
Cisco NX-OS=5.0\(2\)n1\(1\)
Cisco NX-OS=5.0\(2\)n2\(1\)
Cisco NX-OS=5.0\(2\)n2\(1a\)
Cisco NX-OS=5.0\(2a\)
Cisco NX-OS=5.0\(3\)
Cisco NX-OS=5.0\(3\)n1\(1\)
Cisco NX-OS=5.0\(3\)n1\(1a\)
Cisco NX-OS=5.0\(3\)n1\(1b\)
Cisco NX-OS=5.0\(3\)n1\(1c\)
Cisco NX-OS=5.0\(3\)n2\(1\)
Cisco NX-OS=5.0\(3\)n2\(2\)
Cisco NX-OS=5.0\(3\)n2\(2a\)
Cisco NX-OS=5.0\(3\)n2\(2b\)
Cisco NX-OS=5.0\(5\)
Cisco NX-OS=5.1
Cisco NX-OS=5.1\(1\)
Cisco NX-OS=5.1\(1a\)
Cisco NX-OS=5.1\(2\)
Cisco NX-OS=5.1\(3\)
Cisco NX-OS=5.1\(3\)n1\(1\)
Cisco NX-OS=5.1\(3\)n1\(1a\)
Cisco NX-OS=5.1\(4\)
Cisco NX-OS=5.1\(5\)
Cisco NX-OS=5.1\(6\)
Cisco NX-OS=5.2
Cisco NX-OS=5.2\(1\)
Cisco NX-OS=5.2\(3\)
Cisco NX-OS=5.2\(3a\)
Cisco NX-OS=6.0\(1\)
Cisco NX-OS=6.0\(2\)
Cisco NX-OS=6.1
Cisco Nexus 7000

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2013-1122?

    CVE-2013-1122 is classified as a high severity vulnerability due to its potential to cause a denial of service.

  • How do I fix CVE-2013-1122?

    To remediate CVE-2013-1122, upgrade your Cisco NX-OS to a fixed version available from Cisco's official resources.

  • What systems are affected by CVE-2013-1122?

    CVE-2013-1122 affects Cisco NX-OS deployments on the Nexus 7000 series, specifically under certain Overlay Transport Virtualization configurations.

  • What is the exploit mechanism for CVE-2013-1122?

    CVE-2013-1122 can be exploited by sending crafted packets that trigger a M1-Series module reload, causing a denial of service.

  • Is there a known workaround for CVE-2013-1122?

    Currently, no specific workarounds are recommended for CVE-2013-1122; the best action is to upgrade to the patched versions.

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