CVE-2012-4661 Memory corruption in n/a

Critical 9.0 Published Updated

Remote attackers can execute arbitrary code on Cisco ASA firewalls via a crafted DCERPC packet due to a stack-based buffer overflow.

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-2012-4661?

CVE-2012-4661 is a critical memory corruption vulnerability in Cisco 5500 Series Adaptive Security Appliance, published on 29 Oct 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Stack-based buffer overflow in the DCERPC inspection engine on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 8.3 before 8.3(2.34), 8.4 before 8.4(4.4), 8.5 before 8.5(1.13), and 8.6 before 8.6(1.3) and the Firewall Services Module (FWSM) 4.1 before 4.1(9) in Cisco Catalyst 6500 series switches and 7600 series routers might allow remote attackers to execute arbitrary code via a crafted DCERPC packet, aka Bug IDs CSCtr21359 and CSCtr27522.

Weakness: CWE-119

Which versions are affected by CVE-2012-4661?

It affects 12 products.

Products include Cisco 5500 Series Adaptive Security Appliance, Cisco 7600 Router, Cisco Adaptive Security Appliance Software, Cisco Catalyst 6500, Cisco Catalyst 6503-E, Cisco Catalyst 6504-E and 6 more.

How do I fix CVE-2012-4661?

No fix has been published for CVE-2012-4661 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2012-4661 being exploited?

There is no known exploitation of CVE-2012-4661 in the wild and no public exploit code.

All Cisco 5500 Series Adaptive Security Appliance vulnerabilities

Sources

Also known as GHSA-949w-qxfg-2pvp.

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