CVE-2012-6396: Medium severity cisco nx-os vulnerability

Published Jan 19, 2013
·
Updated

Cisco NX-OS on Nexus 7000 series switches does not properly handle certain line-card replacements, which might allow remote authenticated users to cause a denial of service (memory consumption) via a crafted configuration that references interfaces that do not exist on the new card, aka Bug ID CSCud44300.

Affected Software

5 affected components
Cisco NX-OS
Cisco Nexus 7000
Cisco Nexus 7000 10-slot
Cisco Nexus 7000 18-slot
Cisco Nexus 7000 9-slot

Event History

Jan 19, 2013
CVE Published
via MITRE·08:00 PM
Data Sourced
via MITRE·08:00 PM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2012-6396?

CVE-2012-6396 is classified as a denial of service vulnerability due to memory consumption issues.

2

How do I fix CVE-2012-6396?

To fix CVE-2012-6396, ensure proper configuration and avoid referencing non-existent interfaces during line-card replacements.

3

Who is impacted by CVE-2012-6396?

CVE-2012-6396 impacts remote authenticated users of Cisco NX-OS on Nexus 7000 series switches.

4

What causes CVE-2012-6396?

CVE-2012-6396 is caused by improper handling of line-card replacements in Cisco NX-OS.

5

Can CVE-2012-6396 lead to system outages?

Yes, CVE-2012-6396 can lead to system outages due to denial of service through memory consumption.

Contact

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