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[Full-disclosure] Re:[ Suresec Advisories ] - Mac OS X 10.4 - launchd lo

Subject: [Full-disclosure] Re:[ Suresec Advisories ] - Mac OS X 10.4 - launchd local root vulnerability
Date: Fri, 10 Jun 2005 12:40:33 -0700
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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