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Re: prelink: is it worth it?

On Thu, Jul 9, 2009 at 5:59 PM, Till Maas <opensource till name> wrote:
On Thu July 9 2009, yersinia wrote:

> But something one have to pay a security prize on not disabling it :  it
> render impossible to have a
> centralizzated security integrity management (e.g. rfc.sf.net for example)
> or one have to skip from check the prelink binary. Very bad i think.

You pay a security prize if you disable prelink, because it also performs
address space randomization:

Strange enough this authorative refs, imho, not cited prelink as a security feature
for aslr :=)

Btw, the reality is more complex this days. Details omitted, this is not a security mailing list.


Btw. you can also patch the remote integrity checker to use prelink to either
get a checksum of the perlinked binary or undo the prelinking before checking


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