Advisory Details

May 19th, 2016

(Pwn2Own) Apple OS X SubmitDiagInfo Arbitrary Directory Creation Privilege Escalation Vulnerability

ZDI-16-346
ZDI-CAN-3607

CVE ID CVE-2016-1806
CVSS SCORE 7.2, AV:L/AC:L/Au:N/C:C/I:C/A:C
AFFECTED VENDORS Apple
AFFECTED PRODUCTS OS X
VULNERABILITY DETAILS


This vulnerability allows local attackers to execute arbitrary code on vulnerable installations of Apple OS X. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the com.apple.SubmitDiagInfo service. The issue lies in the failure to validate a user-supplied path prior to creating a directory. An attacker can leverage this vulnerability to escalate privileges and execute code as root.
ADDITIONAL DETAILS Apple has issued an update to correct this vulnerability. More details can be found at:
https://support.apple.com/en-us/HT206567
DISCLOSURE TIMELINE
  • 2016-03-16 - Vulnerability reported to vendor
  • 2016-05-19 - Coordinated public release of advisory
CREDIT lokihardt
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