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Message-ID: <559A2F80.5030407@redhat.com>
Date: Mon, 06 Jul 2015 09:34:24 +0200
From: Florian Weimer <fweimer@...hat.com>
To: feld@...d.me
CC: oss-security@...ts.openwall.com
Subject: Re: node.js out of band write
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?
--
Florian Weimer / Red Hat Product Security
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