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<H1>[Mageia-dev] About syslinux & libpng</H1>
<B>Funda Wang</B>
<A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20About%20syslinux%20%26%20libpng&In-Reply-To=%3CCAOfq2QQ3Zgs9Xv7FdpnRa2LeW0WKv4yPzMkge-LhRPwJDwzTRw%40mail.gmail.com%3E"
TITLE="[Mageia-dev] About syslinux & libpng">fundawang at gmail.com
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<I>Fri Sep 30 02:06:04 CEST 2011</I>
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<PRE>It seems we are the only distros (with Mandriva) building syslinux with
system libpng.
在 2011-9-30 上午2:41，"Erwan Velu" <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">erwanaliasr1 at gmail.com</A>>写道：
><i> Le 28/09/2011 22:13, D.Morgan a écrit :
</I>>><i> On Wed, Sep 28, 2011 at 9:56 PM, Erwan Velu<<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">erwanaliasr1 at gmail.com</A>>
</I>wrote:
>>><i> I'm currently updating Syslinux 4.04 and I'm currently facing a trouble
</I>as,
>>><i> historically speaking, we do remove the included libpng by the system
</I>one.
>>><i>
</I>>>><i> The compilation process fails. I was wondering if we really consider
</I>>>><i> replacing the libpng of syslinux as a security issue.
</I>>>><i>
</I>>>><i> Sec team ? What's your opinion on it ?
</I>>>><i>
</I>>>><i> Cheers,
</I>>>><i>
</I>>><i> hi,
</I>>><i>
</I>>><i> i take my security hat on, we prefer when possible when we use the system
</I>libs.
>><i> i have not looked but which libpng is included ?
</I>><i>
</I>><i> It take the libpng-source to replace the current syslinux code.
</I>><i>
</I>><i> The point is syslinux is a bootloader that obviously don't share libs
</I>><i> with the rest of the system.
</I>><i> Considering that we can attack the bootloader via a picture means you
</I>><i> compromized the picture. If you can change the picture located at /boot,
</I>><i> means that you can compromize the booting parameters too.
</I>><i>
</I>><i> So if we take this road of removing bootloader's libs, shall we also
</I>><i> remove the jpeg/gz/gcc/... libs too, and maybe for other bootloaders too ?
</I>><i>
</I>><i> I do understand the need for the application that runs under linux...
</I>><i> but about the bootloaders...
</I>><i>
</I>><i> What's your thoughts about it ?
</I>><i> Would you agree on keep syslinux untouched regarding the png lib ?
</I>><i>
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