Date: Mon, 06 Jul 2015 07:46:51 -0500 From: Mark Felder <feld@...d.me> To: Florian Weimer <fweimer@...hat.com> Cc: oss-security@...ts.openwall.com Subject: Re: node.js out of band write On Mon, Jul 6, 2015, at 02:34, Florian Weimer wrote: > On 07/06/2015 01:51 AM, Mark Felder wrote: > > Node has resolved a security vulnerability in their most recent release > > but do not appear to have requested a CVE ID. > > > > http://blog.nodejs.org/2015/07/03/node-v0-12-6-stable/ > > > > Node v0.12.6 (Stable) > > Sat, 04 Jul 2015 02:34:23 UTC - release > > > > This release of Node.js fixes a bug that triggers an out-of-band write > > in V8's utf-8 decoder. This bug impacts all Buffer to String > > conversions. This is an important security update as this bug can be > > used to cause a denial of service attack. > > I have trouble reconciling this description with the fix in this commit: > > <https://github.com/joyent/node/commit/78b0e30954111cfaba0edbeee85450d8cbc6fdf6> > > Upstream v8 lacks this change. Is it required in Node.js because > Node.js pokes at v8 internals in unsupported ways? > I'm not sure; I'm not very familiar with node. I became aware as it was reported to the FreeBSD Ports Security team. I've also recently been made aware that the same vulnerability exists in io.js https://github.com/nodejs/io.js
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