CVE-2014-3409 Denial of service in n/a

Medium 6.1 Published Updated

Remote attackers can cause a device reload via malformed CFM packets in Cisco IOS, requiring a patch to prevent denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2014-3409?

CVE-2014-3409 is a medium-severity denial of service vulnerability in Cisco Ios, published on 25 Oct 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Ethernet Connectivity Fault Management (CFM) handling feature in Cisco IOS 12.2(33)SRE9a and earlier and IOS XE 3.13S and earlier allows remote attackers to cause a denial of service (device reload) via malformed CFM packets, aka Bug ID CSCuq93406.

Weakness: CWE-399

Which versions are affected by CVE-2014-3409?

It affects 2 products.

Products include Cisco Ios, Cisco Ios Xe.

How do I fix CVE-2014-3409?

No fix has been published for CVE-2014-3409 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-2014-3409 being exploited?

There is no known exploitation of CVE-2014-3409 in the wild and no public exploit code.

All Cisco Ios vulnerabilities

Sources

Also known as GHSA-r34f-j2xr-9cv9.

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