CVE-2014-0704 Denial of service in n/a

High 7.1 Published 6 Mar 2014 Updated 6 Aug 2024

Remote attackers can cause a denial of service on Cisco Wireless LAN Controllers via crafted IGMPv3 messages when IGMPv3 Snooping is enabled.

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-2014-0704?

CVE-2014-0704 is a high-severity denial of service vulnerability in Cisco Wireless Lan Controller Software, published on 6 Mar 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The IGMP implementation on Cisco Wireless LAN Controller (WLC) devices 4.x, 5.x, 6.x, 7.0 before 7.0.250.0, 7.1, 7.2, and 7.3, when IGMPv3 Snooping is enabled, allows remote attackers to cause a denial of service (memory over-read and device restart) via a crafted field in an IGMPv3 message, aka Bug ID CSCuh33240.

Weakness: CWE-399

Which versions are affected by CVE-2014-0704?

It affects 2 products.

Products include Cisco Wireless Lan Controller, Cisco Wireless Lan Controller Software.

How do I fix CVE-2014-0704?

No fix has been published for CVE-2014-0704 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-2014-0704 being exploited?

There is no known exploitation of CVE-2014-0704 in the wild and no public exploit code.

All Cisco Wireless Lan Controller Software vulnerabilities

Sources

Also known as GHSA-95g4-f79v-jpc6.