CWE
20
Advisory Published
Updated

CVE-2012-5017: Input Validation

First published: Wed Apr 23 2014(Updated: )

Cisco IOS before 15.1(1)SY1 allows remote authenticated users to cause a denial of service (device reload) by establishing a VPN session and then sending malformed IKEv2 packets, aka Bug ID CSCub39268.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Puppet Cisco IOS<=15.1\(1\)sy
Puppet Cisco IOS=15.1
Cisco ASR 1001
Cisco ASR 1002 Fixed Router
Cisco ASR 1002-X
Cisco ASR 1002-X
Cisco ASR 1004
Cisco ASR 1006
Cisco ASR 1023 Router

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Frequently Asked Questions

  • What is the severity of CVE-2012-5017?

    CVE-2012-5017 has been classified as a critical vulnerability due to its potential to allow remote authenticated users to cause denial of service.

  • How do I fix CVE-2012-5017?

    To mitigate CVE-2012-5017, it is recommended to upgrade Cisco IOS to version 15.1(1)SY1 or later.

  • Who is affected by CVE-2012-5017?

    CVE-2012-5017 affects remote authenticated users of Cisco IOS versions prior to 15.1(1)SY1.

  • What type of attack does CVE-2012-5017 facilitate?

    CVE-2012-5017 facilitates a denial of service attack through malformed IKEv2 packets during VPN sessions.

  • What devices are impacted by CVE-2012-5017?

    Devices such as Cisco ASR 1001, ASR 1002, ASR 1004, and ASR 1006 are among those impacted by CVE-2012-5017.

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