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Message-ID: <4E31578B.2080804@kde.org>
Date: Thu, 28 Jul 2011 08:35:23 -0400
From: Jeff Mitchell <mitchell@....org>
To: "Steven M. Christey" <coley@...-smtp.mitre.org>
CC: oss-security@...ts.openwall.com, KDE Security Team <security@....org>,
security@...nokia.com, Tim Brown <timb@...-dimension.org.uk>
Subject: Re: CVE: Input validation failure affecting multiple
KDE applications, as well as many other Qt-based applications
On 07/27/2011 04:57 PM, Steven M. Christey wrote:
>
> On Mon, 25 Jul 2011, Jeff Mitchell wrote:
>
>> The Arora and Rekonq web browsers are also vulnerable to the same attack
>> vector, and other Qt-based programs may be as well. We're working with
>> the Qt team to help enhance their documentation to warn developers to
>> take care sanitizing their inputs, but it's not actually a Qt flaw. So
>> we're a bit unsure how to proceed here.
>
> This sounds like a limitation of the Qt API, which can be avoided by
> programmers who are aware of the limitation. Kind of like how strcpy()
> can be subject to buffer overflows, *if* the programmer isn't careful.
> Also happened with confusing return values from certain OpenSSL API
> functions a couple years ago. (The PHP_SELF example is similar.) So,
> this should probably get separate CVEs for each application/library that
> misuses the relevant function(s).
That sounds good. On the KDE side, this is kdelibs, Kleopatra, and
Konqueror.
> If Qt itself contains misuse of its own functions - which happens
> sometimes (CVE-2008-5077 for OpenSSL) - then Qt might need its own CVE,
> too.
As far as I'm aware Qt itself is not affected, but we've not done an
exhaustive analysis.
Thanks,
Jeff
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