Date: Wed, 27 Jul 2011 01:57:24 +0000 (UTC) From: Glen Barber <gjb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org Subject: svn commit: r224463 - stable/7/usr.sbin/jail Message-ID: <201107270157.p6R1vOwZ035893@svn.freebsd.org>
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Author: gjb (doc committer) Date: Wed Jul 27 01:57:24 2011 New Revision: 224463 URL: http://svn.freebsd.org/changeset/base/224463 Log: MFC 224286: Document the potential for jail escape. PR: 142341 Modified: stable/7/usr.sbin/jail/jail.8 Directory Properties: stable/7/usr.sbin/jail/ (props changed) Modified: stable/7/usr.sbin/jail/jail.8 ============================================================================== --- stable/7/usr.sbin/jail/jail.8 Wed Jul 27 01:56:52 2011 (r224462) +++ stable/7/usr.sbin/jail/jail.8 Wed Jul 27 01:57:24 2011 (r224463) @@ -33,7 +33,7 @@ .\" .\" $FreeBSD$ .\" -.Dd January 17, 2010 +.Dd July 23, 2011 .Dt JAIL 8 .Os .Sh NAME @@ -708,3 +708,10 @@ Currently, the simplest answer is to min offered on the host, possibly limiting it to services offered from .Xr inetd 8 which is easily configurable. +.Sh NOTES +Great care should be taken when managing directories visible within the jail. +For example, if a jailed process has its current working directory set to a +directory that is moved out of the jail's chroot, then the process may gain +access to the file space outside of the jail. +It is recommended that directories always be copied, rather than moved, out +of a jail.
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