critical
10
CWE
119
Advisory Published
Updated

CVE-2016-1453: Buffer Overflow

First published: Thu Oct 06 2016(Updated: )

Buffer overflow in the Overlay Transport Virtualization (OTV) GRE feature in Cisco NX-OS 5.0 through 7.3 on Nexus 7000 and 7700 devices allows remote attackers to execute arbitrary code via long parameters in a packet header, aka Bug ID CSCuy95701.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
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\(3\)
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\(2a\)
Cisco NX-OS=5.0\(3\)
Cisco NX-OS=5.0\(5\)
Cisco NX-OS=5.1\(1\)
Cisco NX-OS=5.1\(1a\)
Cisco NX-OS=5.1\(3\)
Cisco NX-OS=5.1\(4\)
Cisco NX-OS=5.1\(5\)
Cisco NX-OS=5.1\(6\)
Cisco NX-OS=5.2\(1\)
Cisco NX-OS=5.2\(3a\)
Cisco NX-OS=5.2\(4\)
Cisco NX-OS=5.2\(5\)
Cisco NX-OS=5.2\(7\)
Cisco NX-OS=5.2\(9\)
Cisco NX-OS=6.0\(1\)
Cisco NX-OS=6.0\(2\)
Cisco NX-OS=6.0\(3\)
Cisco NX-OS=6.0\(4\)
Cisco NX-OS=6.1\(1\)
Cisco NX-OS=6.1\(2\)
Cisco NX-OS=6.1\(3\)
Cisco NX-OS=6.1\(4\)
Cisco NX-OS=6.1\(4a\)
Cisco NX-OS=6.1\(5\)
Cisco NX-OS=6.2\(2\)
Cisco NX-OS=6.2\(2a\)
Cisco NX-OS=6.2\(6\)
Cisco NX-OS=6.2\(6b\)
Cisco NX-OS=6.2\(8\)
Cisco NX-OS=6.2\(8a\)
Cisco NX-OS=6.2\(8b\)
Cisco NX-OS=6.2\(10\)
Cisco NX-OS=6.2\(12\)
Cisco NX-OS=6.2\(14\)s1
Cisco NX-OS=7.2\(0\)n1\(0.1\)
Cisco NX-OS=base

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2016-1453?

    The severity of CVE-2016-1453 is rated as critical due to its potential to allow remote attackers to execute arbitrary code.

  • How do I fix CVE-2016-1453?

    To fix CVE-2016-1453, upgrade the Cisco NX-OS to a version that is not affected by this vulnerability.

  • Which versions of Cisco NX-OS are affected by CVE-2016-1453?

    CVE-2016-1453 affects Cisco NX-OS versions 5.0 through 7.3 on Nexus 7000 and 7700 devices.

  • What kind of attack is possible due to CVE-2016-1453?

    CVE-2016-1453 allows remote attackers to exploit a buffer overflow vulnerability through crafted packet headers.

  • Has any exploit been publicly available for CVE-2016-1453?

    Yes, there are reports of public exploits that leverage the vulnerability in CVE-2016-1453, emphasizing the need for immediate patching.

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