Re: [Lit.] Buffer overruns

From: Anne & Lynn Wheeler (lynn_at_garlic.com)
Date: 01/31/05 

Date: Mon, 31 Jan 2005 09:06:20 -0700

Anne & Lynn Wheeler <lynn@garlic.com> writes:
> the amd hardware and windows support is the inverse. there have been
> execute only support around for some time ... but that didn't
> necessarily prevent other things from being executed. the inverse is
> flagging areas as no-execute (i.e. i-fetch won't occur as opposed to
> only i-fetch works).

news item today on no-execute
http://www.cbronline.com/article_news.asp?guid=08DB0B61-E0F6-4051-8EAA-DD06D9196808

A Russion Hacker claims SP2 no-execute flawed

Russian security research outfit Friday published details of what it
said are flaws in Windows XP Service Pack 2's memory-protection
features, a key security upgrade to the operating system.

... snip ...

misc. recent postings mentioning no-execute
http://www.garlic.com/~lynn/2004q.html#82 [Lit.] Buffer overruns
http://www.garlic.com/~lynn/2005b.html#25 360POO
http://www.garlic.com/~lynn/2005b.html#39 [Lit.] Buffer overruns
http://www.garlic.com/~lynn/2005.html#0 [Lit.] Buffer overruns
http://www.garlic.com/~lynn/2005.html#1 [Lit.] Buffer overruns
http://www.garlic.com/~lynn/2005.html#3 [Lit.] Buffer overruns
http://www.garlic.com/~lynn/2005.html#5 [Lit.] Buffer overruns
http://www.garlic.com/~lynn/2005.html#32 8086 memory space [was: The Soul of Barb's New Machine] 

-- 
Anne & Lynn Wheeler | http://www.garlic.com/~lynn/

Relevant Pages

  • Re: Ancient history
    ... If nobody knows where ... > the boundary is between overflowing and access to an extended area ... http://www.garlic.com/~lynn/2005b.html#46 [Lit.] Buffer overruns ...
    (sci.crypt)
  • Re: How to develop a random number generation device
    ... Perhaps buffer overruns can't be prevented ... That's a non-issue with modern OSes and modern CPUs (for ... Well, Windows is not a modern OS, and x86 is not a modern processor. ... to execute data. ...
    (sci.electronics.design)
  • Re: [Lit.] Buffer overruns
    ... > anywhere near as prevalent as buffer overruns. ... pulled from cve database and exploit descriptions. ... http://www.garlic.com/~lynn/2004q.html#74 [Lit.] Buffer overruns ... I've also observed that the buffer overrun vulnerabilities exploits ...
    (sci.crypt)
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