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Date: Tue, 07 Jul 2015 10:11:02 +0200
From: Luca Bruno <lucab@...ian.org>
To: oss-security@...ts.openwall.com
Subject: Re: node.js out of band write
On Monday 06 July 2015 09:34:24 Florian Weimer wrote:
> > 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/78b0e30954111cfaba0edbeee85450d8cbc6f
> df6>
>
> Upstream v8 lacks this change. Is it required in Node.js because
> Node.js pokes at v8 internals in unsupported ways?
This should be the corresponding fix (plus testcases) on upstream v8:
https://chromium.googlesource.com/v8/v8.git/+/b199bcdd47ae97ec116b430e34ab42001c8f04c0%5E!/#F2
Cheers, Luca
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