an attacker with root access to the jail can create a setuid binary for their own use in the host environment (if they also have this access), thus breaking root in the host. This exploit is impossible if the jail's files are not world-readable. Add instructions to the man page on how to create a jail with the correct permissions set. PR: docs/156853 Submitted by: Chris Rees (utisoft at gmail dot com) Reviewed by: cperciva (security parts) MFC after: 9 days |
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jail.8 | ||
jail.c | ||
Makefile |