Re: OT? Are chroots immune to buffer overflows?

From: dev-null@no-id.com
Date: Wed May 22 2002 - 05:47:04 PDT

  • Next message: L. Walker: "Re: OT? Are chroots immune to buffer overflows?"

    Jason Haar wrote:
    
    > Most buffer overflows I've seen attempt to infiltrate the system enough to
    > run /bin/sh. In chroot'ed environments, /bin/sh doesn't (shouldn't!) exist -
    > so they fail.
    
    > Is it as simple as that? As 99.999% of the system binaries aren't available
    > in the jail, can a buffer overflow ever work?
    
    
    No, its not as simple as that.  You might not be able to execute a shell, but you can still run arbitrary code.  See <http://online.securityfocus.com/archive/82/272793>.
    
    
    
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