Eterm $HOME environment variable buffer overflow

eterm-home-bo (7896) The risk level is classified as HighHigh Risk

Description:

Eterm is vulnerable to a buffer overflow caused by improper bounds checking of the $HOME environment variable. By setting the $HOME environment variable to a character string containing 4128 bytes or more and executing Eterm, a local attacker can overflow a buffer and execute arbitrary code on the system with utmp privileges.


Consequences:

Gain Privileges

Remedy:

No remedy available as of September 1, 2014.

References:

Platforms Affected:

  • Michael Jennings Eterm 0.9.1

Reported:

Jan 13, 2002

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