Title: SuSE Linux JavaRunt Configuration File Insecure Temporary File Vulnerability
Severity: MODERATE
Description:
SuSEConfig is a component of the SuSE Linux operating system. It is designed to be a standardized configuration tool to SuSE operating systems.
A problem exists in the JavaRunt configuration file used by SuSEConfig. Because of this, it may be possible for a local attacker to gain elevated privileges.
The problem is in the handling of temporary files. When the configuration file is executed by SuSEConfig, the predictable temporary file /tmp/.java_wrapper is created. Improper file creation checks make it possible for an attacker to symbolically link the predicted file name to a sensitive system file. Upon execution of SuSEConfig, the contents of the file at the end of the symbolic link will be corrupted, potentially with attacker-supplied data. Exploitation could permit privilege escalation.
The reported impact is privilege escalation, though the method through which this is gained is unclear. This BID will be further updated as more information becomes available.
Affected Products:
- S.u.S.E. Linux Professional 7.3.0
References:
- S.u.S.E.: S.u.S.E. Homepage
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