CVE-2006-6731 Memory corruption in n/a

Critical 9.3 Published 26 Dec 2006 Updated 7 Aug 2024

Buffer overflows in Java AWT and font libraries allow attackers to execute arbitrary code or access local files via malicious Java applets.

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-2006-6731?

CVE-2006-6731 is a critical memory corruption vulnerability in Sun Jdk, published on 26 Dec 2006. 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

Multiple buffer overflows in Sun Java Development Kit (JDK) and Java Runtime Environment (JRE) 5.0 Update 7 and earlier, Java System Development Kit (SDK) and JRE 1.4.2_12 and earlier 1.4.x versions, and SDK and JRE 1.3.1_18 and earlier allow attackers to develop Java applets that read, write, or execute local files, possibly related to (1) integer overflows in the Java_sun_awt_image_ImagingLib_convolveBI, awt_parseRaster, and awt_parseColorModel functions; (2) a stack overflow in the Java_sun_awt_image_ImagingLib_lookupByteRaster function; and (3) improper handling of certain negative values in the Java_sun_font_SunLayoutEngine_nativeLayout function. NOTE: some of these details are obtained from third party information.

Which versions are affected by CVE-2006-6731?

It affects 3 products.

Products include Sun Jdk, Sun Jre, Sun Sdk.

How do I fix CVE-2006-6731?

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-2006-6731 being exploited?

There is no known exploitation of CVE-2006-6731 in the wild and no public exploit code.

All Sun Jdk vulnerabilities

Sources

Also known as GHSA-mqqx-775h-25rp.