OSEC

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From: solwar (solwaremail.si)
Date: Sun Jul 08 2001 - 20:07:34 CDT

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    Most buffer overflow exploits are based on overwriting a function's return
    address on the stack to point to some arbitrary code, which is also put
    onto the stack. If the stack area is non-executable, buffer overflow
    vulnerabilities become harder to exploit.

    On Sun, 8 Jul 2001, alexus wrote:

    > what do you mean by non-exec?
    >
    > ----- Original Message -----
    > From: "solwar" <solwaremail.si>
    > To: <freebsd-securityFreeBSD.ORG>
    > Sent: Sunday, July 08, 2001 5:03 PM
    > Subject: non-exec stack
    >
    >
    > > Hello,
    > > Is there is any non-exec stack kernel patch available for FreeBSD?
    > > (like linux's openwall patch from solar designer, www.openwall.com)
    > > tnx
    > >
    > >
    > >
    > > To Unsubscribe: send mail to majordomoFreeBSD.org
    > > with "unsubscribe freebsd-security" in the body of the message
    > >
    >
    >

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