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zhcon -- unauthorized file access

Description:

Martin Joey Schulze reports:

Erik Sjöund discovered that zhcon, a fast console CJK system using the Linux framebuffer, accesses a user-controlled configuration file with elevated privileges. Thus, it is possible to read arbitrary files.

When installed from the FreeBSD Ports Collection, zhcon is installed set-user-ID root.

References:

Affects:

portaudit: zhcon -- unauthorized file access

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If you have found a vulnerability in a FreeBSD port not listed in the database, please contact the FreeBSD Security Officer. Refer to "FreeBSD Security Information" for more information.


Oliver Eikemeier <eik@FreeBSD.org>