CVE-2011-0394 Denial of service in n/a

High 7.8 Published Updated

Remote attackers can cause a denial of service on Cisco ASA and PIX devices by sending malformed Skinny Client Control Protocol messages.

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-2011-0394?

CVE-2011-0394 is a high-severity denial of service vulnerability in Cisco 5500 Series Adaptive Security Appliance, published on 25 Feb 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 7.0 before 7.0(8.11), 7.1 and 7.2 before 7.2(5.1), 8.0 before 8.0(5.19), 8.1 before 8.1(2.47), 8.2 before 8.2(2.19), and 8.3 before 8.3(1.8); Cisco PIX Security Appliances 500 series devices; and Cisco Firewall Services Module (aka FWSM) 3.1 before 3.1(20), 3.2 before 3.2(20), 4.0 before 4.0(15), and 4.1 before 4.1(5) allow remote attackers to cause a denial of service (device reload) via a malformed Skinny Client Control Protocol (SCCP) message, aka Bug IDs CSCtg69457 and CSCtl84952.

Weakness: CWE-399

Which versions are affected by CVE-2011-0394?

It affects 7 products.

Products include Cisco 5500 Series Adaptive Security Appliance, Cisco Adaptive Security Appliance, Cisco Adaptive Security Appliance Software, Cisco Asa 5500, Cisco Firewall Services Module, Cisco Firewall Services Module Software and 1 more.

How do I fix CVE-2011-0394?

No fix has been published for CVE-2011-0394 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-2011-0394 being exploited?

There is no known exploitation of CVE-2011-0394 in the wild and no public exploit code.

All Cisco 5500 Series Adaptive Security Appliance vulnerabilities

Sources

Also known as GHSA-qfv3-44v2-26g4.

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