CVE-2012-3423 Memory corruption in n/a

High 7.5 Published Updated

Remote attackers can execute arbitrary code, crash the application, or read memory via a crafted Java applet in the IcedTea-Web browser plugin.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2012-3423?

CVE-2012-3423 is a high-severity memory corruption vulnerability in n/a, published on 7 Aug 2012. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The IcedTea-Web plugin before 1.2.1 does not properly handle NPVariant NPStrings without NUL terminators, which allows remote attackers to cause a denial of service (crash), obtain sensitive information from memory, or execute arbitrary code via a crafted Java applet.

Weakness: CWE-119

Which versions are affected by CVE-2012-3423?

It affects 1 product.

Products include Redhat Icedtea-Web.

How do I fix CVE-2012-3423?

Upgrade to a fixed version.

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

Is CVE-2012-3423 being exploited?

There is no known exploitation of CVE-2012-3423 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2012-3423, GHSA-wg7g-m9g6-qcmw.

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