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Message-ID: <1412114038.5404.57.camel@juliet.mcarpenter.org>
Date: Tue, 30 Sep 2014 23:53:58 +0200
From: Martin Carpenter <martin.carpenter@...il.com>
To: oss-security@...ts.openwall.com
Subject: Re: Healing the bash fork
On Tue, 2014-09-30 at 08:08 -0700, Tavis Ormandy wrote:
> > system("date");
>
> Keep going, eventually you're going to have to stop blacklisting
> variables and use execve ;-)
... and beware what you whitelist:
OpenSolaris/on-src/usr/src/cmd/date/date.c:
295 /* correct the kernel's "gmt_lag" and the PC's RTC */
296 (void) system("/usr/sbin/rtc -c > /dev/null 2>&1");
[wryly noticed some time in the last week]
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