full-disclosure - Re: PaX privilege elevation security bug

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Message-ID: <20050313090125.GA4088@arkana.iiens.net>
From: devine at iie.cnam.fr (Christophe Devine)
Subject: Re: PaX privilege elevation security bug

pageexec@...email.hu wrote:

> it is definitely exploitable for local users,
> remote exploitability depends on how much control
> one can have over executable file mappings in the
> target

Indeed, this flaw can be exploited locally via the page table
cache using the same technique from Paul Starzetz's mremap #2
exploit - there are probably other attack vectors though.

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