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Security for Java Runtime


(Last modified: 09OCT2003)

solutions Security for Java Runtime SuSE Linux Maintenance Web (e188c19b0da4827edb674aacdd562a76)

Applies to

Product(s): SuSE Linux Connectivity Server
SuSE Linux Enterprise Server 7 for IA32
SuSE Linux Enterprise Server 7 for PowerPC
SuSE Linux Office Server

Package: javarunt
Release: 20031009
Obsoletes: none


This update should be installed on all systems that have the javarunt
package installed.

Problem description

This update fixes a local security weakness in the SuSEconfig script of the javarunt package. This script is responsible for adding a symlink to the java wrapper program to allow for easy switching of the java thread type.
The weakness is based on a symlink race condition in a shell script. The script writes to a file in the /tmp directory, thereby allowing a local attacker to overwrite arbitrary files on the system if the attacker can place a symlink within a narrow timewindow. The resulting vulnerability allows a local attacker to gain root privileges.


Please install the updates provided at the location noted below.

Installation notes

This update is provided as an RPM package that can easily be installed onto a running system by using this command:
rpm -Fvh javarunt.rpm

links to download packages

Download Source Packages

Download the source code of the patches for maintained products.


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