Re:[ Suresec Advisories ] - Mac OS X 10.4 - launchd local root vulnerability

[Peter Bierman <bierman () apple com>]

At 4:30 PM +0200 6/10/05, Jonathan Weiss wrote:
>  > Securesec Security Advisory  - #00003
> >  09/06/05
> >
> >  Apple Mac OS X 10.4 launchd race condition vulnerability
> >  Advisory: http://www.suresec.org/advisories/adv3.pdf
> >
> >  Description:
> >
> >  A race condition vulnerability has been found in the temporary file
> >  creation done by the suid launchd  program on Mac OSX 10.4.
> >  The for advisory for this can be downloaded from the Suresec website.
> >
> >  Risk:
> >
> >  Successful exploitation of this vulnerability results in stolen
> >  ownership of any file on the system. Using this it is trivial to get
> >  a root shell.
>
> Is this fixed by the security update issued by apple some days ago?


Yes, this is fixed in Security Update 2005-006.
<http://docs.info.apple.com/article.html?artnum=301742>

launchd
CVE-ID: CAN-2005-1725
Available for: Mac OS X v10.4.1, Mac OS X Server v10.4.1
Impact: The setuid program launchd can allow local privilege escalation.
Description: A vulnerability in launchd allows local users to gain 
ownership of arbitrary files. The launchd command is updated to 
safely change ownership of files. Credit to Neil Archibald of Suresec 
LTD for reporting this issue. This issue does not affect systems 
prior to Mac OS X v10.4.

-pmb
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