Sun Java JRE up to 1.5.0 Update 6 Applet Handler Font.createFont() denial of service

VulDB: Sun Java JRE up to 1.5.0 Update 6 Applet Handler Font.createFont() denial of service

General

Sun

scipID: 2247
Affected: Sun Java JRE up to 1.5.0 Update 6
Published: 05/16/2006 (Marc Schoenefeld)
Risk: critical
Entry: 96.2% complete
Created: 05/22/2006
Updated: 09/03/2012

Summary

A vulnerability, which was classified as critical, was found in Sun Java JRE up to 1.5.0 Update 6. This affects the function Font.createFont() of the component Applet Handler. The manipulation with an unknown input leads to a denial of service vulnerability. This is going to have an impact on availability.

The weakness was disclosed 05/16/2006 by Marc Schoenefeld. This vulnerability is uniquely identified as CVE-2006-2426 since 05/17/2006. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 1061 days. The vulnerability scanner Nessus provides a plugin with the ID 36366 (USN-748-1 : openjdk-6 vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context local.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at java.sun.com. A possible mitigation has been published 4 years after the disclosure of the vulnerability. The vulnerability is also documented in the databases at OSVDB (25561), Secunia (SA34675), SecurityFocus (BID 17981) and X-Force (26493).