CVE-2014-2143 Denial of service in n/a

Medium 5.0 Published Updated

Remote attackers can cause a denial of service in Cisco IOS by sending crafted IKE Main Mode packets, disrupting security associations.

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-2014-2143?

CVE-2014-2143 is a medium-severity denial of service vulnerability in Cisco Ios, published on 4 Apr 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The IKE implementation in Cisco IOS 15.4(1)T and earlier and IOS XE allows remote attackers to cause a denial of service (security-association drop) via crafted Main Mode packets, aka Bug ID CSCun31021.

Which versions are affected by CVE-2014-2143?

It affects 2 products.

Products include Cisco Ios, Cisco Ios Xe.

How do I fix CVE-2014-2143?

No fix has been published for CVE-2014-2143 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-2014-2143 being exploited?

There is no known exploitation of CVE-2014-2143 in the wild and no public exploit code.

All Cisco Ios vulnerabilities

Sources

Also known as GHSA-9q73-pqxf-h52m.

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