CWE
399
Advisory Published
Updated

CVE-2012-5036

First published: Wed Apr 23 2014(Updated: )

Cisco IOS before 12.2(50)SY1 allows remote authenticated users to cause a denial of service (memory consumption) via a sequence of VTY management sessions (aka exec sessions), aka Bug ID CSCtn43662.

Credit: ykramarz@cisco.com psirt@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco IOS=12.2\(33\)sxi4
Cisco IOS=12.2\(33\)sxi5
Cisco IOS=12.2\(33\)sxi6
Cisco IOS=12.2\(33\)sxi7
Cisco IOS=12.2\(33\)sxj
Cisco IOS=12.2\(50\)sy
=12.2\(33\)sxi4
=12.2\(33\)sxi5
=12.2\(33\)sxi6
=12.2\(33\)sxi7
=12.2\(33\)sxj
=12.2\(50\)sy

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Frequently Asked Questions

  • What is the severity of CVE-2012-5036?

    CVE-2012-5036 has a severity rating that indicates a significant risk of denial of service due to memory consumption.

  • How do I fix CVE-2012-5036?

    To fix CVE-2012-5036, upgrade to Cisco IOS version 12.2(50)SY1 or later.

  • Who is affected by CVE-2012-5036?

    CVE-2012-5036 affects Cisco IOS versions prior to 12.2(50)SY1, specifically the 12.2(33) series.

  • What type of vulnerability is CVE-2012-5036?

    CVE-2012-5036 is a denial of service vulnerability caused by excessive memory consumption in VTY management sessions.

  • Can remote users exploit CVE-2012-5036?

    Yes, remote authenticated users can exploit CVE-2012-5036 by initiating a sequence of VTY management sessions.

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