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Vulnerability Note VU#900964FTE fails to properly validate environment variablesOverviewFTE contains a vulnerability in the processing of certain environment variables that could allow an attacker to execute arbitrary code.I. DescriptionFTE is a text editor available for a variety of operating systems. There is a buffer overflow vulnerability in the way FTE performs bounds checking on certain environment variables. By supplying an overly long string of characters for the HOME or TERM environment variable, a local user could execute arbitrary code on the system with privileges of the FTE process. Typically, FTE is installed with setuid root privileges.II. ImpactA local user could execute arbitrary code with privileges of the FTE process.III. SolutionUpgradeUpgrade to the latest version of FTE as specified by your vendor.
References
This vulnerability was reported by Steve Kemp. This document was written by Damon Morda.
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