From: Andreas Schwab <schwab@suse.de>
To: Tom Horsley <tomhorsley@adelphia.net>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: ptrace and setuid problem
Date: Sun, 06 Mar 2005 13:13:09 +0100 [thread overview]
Message-ID: <jeu0npkm5m.fsf@sykes.suse.de> (raw)
In-Reply-To: <422A639A.5090603@adelphia.net> (Tom Horsley's message of "Sat, 05 Mar 2005 20:57:46 -0500")
Tom Horsley <tomhorsley@adelphia.net> writes:
> If I exec a setuid program under ptrace, I can read the image via
> PEEKDATA requests.
Only CAP_SYS_PTRACE capable processes get suid/sgid semantics under
ptrace, or can attach to a privileged processes.
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2005-03-06 12:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-06 1:57 ptrace and setuid problem Tom Horsley
2005-03-06 12:13 ` Andreas Schwab [this message]
2005-03-06 12:54 ` Tom Horsley
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