Re: Mac OS X - malloc() local privilege escalation vulnerability.

[3APA3A <3APA3A () SECURITY NNOV RU>]

Dear [ Suresec Advisories ],

Well...  another  one reason to do not write messages in HTML - the link
points  to  adv6.pdf  instead of adv7.pdf while the text is correct. Let
readers  to  choose  font  and  colors to read your message, write it in
plain text.

-- 
~/ZARAZA
http://www.security.nnov.ru/

--Sunday, September 25, 2005, 4:34:26 PM, you wrote to full-disclosure () lists grok org uk:

SA> Suresec Security Advisory - #00007 

SA> 25/09/2005





SA> Mac OS X - malloc() insecure use of environment variable.
SA>  Advisory: http://www.suresec.org/advisories/adv7.pdf 

SA> Description: 

SA> The malloc() function on Mac OS X insecurely trusts a debug
SA> variable, regardless of the fact that the calling application may be
SA> suid root.

SA> This can result in an arbitrary file being overwritten, which
SA> can be used to escalate privileges.  

SA> This vulnerability was discovered by Ilja van Sprundel. 







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