CVE-2012-6396 Denial of service in n/a
Remote authenticated users can cause a denial of service on Cisco Nexus 7000 switches by submitting crafted configurations referencing non-existent interfaces.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2012-6396?
CVE-2012-6396 is a medium-severity denial of service vulnerability in Cisco Nx-Os, published on 19 Jan 2013. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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.
Weakness: CWE-399
Which versions are affected by CVE-2012-6396?
It affects 5 products.
Products include Cisco Nexus 7000, Cisco Nexus 7000 10-Slot, Cisco Nexus 7000 18-Slot, Cisco Nexus 7000 9-Slot, Cisco Nx-Os.
How do I fix CVE-2012-6396?
No fix has been published for CVE-2012-6396 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2012-6396 being exploited?
There is no known exploitation of CVE-2012-6396 in the wild and no public exploit code.
Other vulnerabilities in Cisco Nx-Os
Sources
Also known as GHSA-8jxv-w855-pwmr.