CVE-2011-3387 Denial of service in n/a

Medium 4.0 Published Updated

Remote authenticated users can cause denial of service in IBM Java via crafted class files, requiring patches for affected Java runtimes.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2011-3387?

CVE-2011-3387 is a medium-severity denial of service vulnerability in n/a, published on 2 Sep 2011. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The class file parser in IBM Java 1.4.2 SR13 FP9 allows remote authenticated users to cause a denial of service (memory consumption or an infinite loop) via a crafted attribute length field in a class file, related to validation of a length field at the wrong time, a different vulnerability than CVE-2011-0311.

Weakness: CWE-20

Which versions are affected by CVE-2011-3387?

It affects 1 product.

Products include Ibm Java.

How do I fix CVE-2011-3387?

Apply the vendor's patch.

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-2011-3387 being exploited?

There is no known exploitation of CVE-2011-3387 in the wild and no public exploit code.

Sources

Also known as GHSA-c76f-h47x-j5r2.

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