Date: Wed, 11 Mar 2015 10:28:03 -0600 From: Kurt Seifried <kseifried@...hat.com> To: oss-security@...ts.openwall.com Subject: Re: Another Python app (rhn-setup: rhnreg_ks) not checking hostnames in certs properly CVE-2015-1777 On 03/11/2015 10:18 AM, John Haxby wrote: > I think there's a misunderstanding here. I was asking for cooperation > to come up with a solution, participating with other people who, like, > I assumed, Red Hat, have an interest in solving this specific problem > without breaking existing (admitedly flawed) applications. I know it's > not straightforward, if it was I'd've just produced a patch. I'm still > happy to work with anyone to sort this out. Me too. But I trust Nick and he's smart. I don't stick my finger into every security pie because 1) I'm not an expert in all things and 2) I have a finite life span and need to sleep. So again my advice is: work with upstream/the community. You don't need my input yet. Nick has spent far, far, far more time thinking about how to fix Python/SSL/TLS then I ever will. Once you have a definitive solution that you are pretty sure works, then please, by all means poke me. > > [snip] > >> I am actually working on something that will hopefully provide a >> better solution (for values of speed and ease of fixing flaws) than >> a traditional audit/code fix, (I'd rather address entire classes >> of security flaw rather than one instance of the flaw at a time). >> But like all things security infinite workload delays specific >> projects. > > If this fixes the specific problem as a side effect that would be > great. Details are lacking though, and there's no obvious link here > to making adapting PEP-466 for backwards compatibility (and I have > absolutely no arguments with the rejected solutions for Python). This is a different project and related to web interfaces (which are a growing pain point security wise). > > This is my last message on the list on the subject. > > jch > -- Kurt Seifried -- Red Hat -- Product Security -- Cloud PGP A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993 Download attachment "signature.asc" of type "application/pgp-signature" (837 bytes)
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