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Date: Sat, 22 Nov 2014 09:25:31 -0800
From: Russ Allbery <eagle@...ie.org>
To: Tim Brown <tmb@...35.com>
Cc: oss-security@...ts.openwall.com
Subject: Re: Running Java across a privilege boundry
Tim Brown <tmb@...35.com> writes:
> Does anyone know of any obvious cases where Java is executed across a
> privilege boundary? I'm specifically thinking of cases where it might be
> executed via sudo, via another set[ug]id binary or where it gets called
> from an untrusted working directory i.e. one not owned by the calling
> user?
"sudo service tomcat6 restart" would be a pretty obvious example that I
suspect is not uncommon in server environments.
In general, Java is a general-purpose programming language, so I think
there are plenty of examples of this just like there are with any other
programming language. Any large system written in Java probably has a few
Java command-line tools or ways to spawn Java daemons, and in the normal
course of setting up a system, it's likely that someone is granting access
to run those tools via sudo.
--
Russ Allbery (eagle@...ie.org) <http://www.eyrie.org/~eagle/>
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