Le 28/09/2011 22:13, D.Morgan a écrit :
On Wed, Sep 28, 2011 at 9:56 PM, Erwan Velu<[email protected]>  wrote:
I'm currently updating Syslinux 4.04 and I'm currently facing a trouble as,
historically speaking, we do remove the included libpng by the system one.

The compilation process fails. I was wondering if we really consider
replacing the libpng of syslinux as a security issue.

Sec team ? What's your opinion on it ?

Cheers,

hi,

i take my security hat on, we prefer when possible when we use the system libs.
i have not looked but which libpng is included ?

It take the libpng-source to replace the current syslinux code.

The point is syslinux is a bootloader that obviously don't share libs with the rest of the system. Considering that we can attack the bootloader via a picture means you compromized the picture. If you can change the picture located at /boot, means that you can compromize the booting parameters too.

So if we take this road of removing bootloader's libs, shall we also remove the jpeg/gz/gcc/... libs too, and maybe for other bootloaders too ?

I do understand the need for the application that runs under linux... but about the bootloaders...

What's your thoughts about it ?
Would you agree on keep syslinux untouched regarding the png lib ?

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