Date: Tue, 17 Jul 2012 12:08:04 +0200 From: Florian Weimer <fweimer@...hat.com> To: oss-security@...ts.openwall.com Subject: Re: libdbus hardening On 07/17/2012 12:02 PM, Solar Designer wrote: > On Wed, Jul 11, 2012 at 04:12:09PM +0200, yersinia wrote: >> But exists in other linux libc implementation similar more secure >> alternatives to getenv ? > > I'm not aware of other Linux libc's having this, but I proposed > __secure_getenv() (as well as OpenBSD'ish issetugid() or/and > __libc_enable_secure) for addition to musl. (No, I did not write any > code for this. I merely told Rich and heard back.) I may be biased, > but I think that musl is the main alternative to glibc on Linux now. Note that GNU libc will likely change the name to secure_getenv. Upstream does not want to document __secure_getenv as-is. See the discussion here: http://sourceware.org/ml/libc-alpha/2012-07/msg00213.html -- Florian Weimer / Red Hat Product Security Team
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