full-disclosure - Mac OS X - malloc() local privilege escalation vulnerability.

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Message-ID: <758959606.20050926200246@SECURITY.NNOV.RU>
Date: Mon Sep 26 17:02:54 2005
From: 3APA3A at SECURITY.NNOV.RU (3APA3A)
Subject: Mac OS X - malloc() local privilege escalation
	vulnerability.

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@...ts.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.?