Advisory Details

October 2nd, 2014

(0Day) Apple OS X IOHIDSecurePromptClient Denial Of Service Vulnerability

ZDI-14-346
ZDI-CAN-2147

CVE ID
CVSS SCORE 4.7, (AV:L/AC:M/Au:N/C:N/I:N/A:C)
AFFECTED VENDORS Apple
AFFECTED PRODUCTS OS X
VULNERABILITY DETAILS


This vulnerability allows remote 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 handling of calls to IOHIDSecurePromptClient. The issue lies in the failure to properly sanitize user-supplied pointers before they are dereferenced. An attacker can leverage this vulnerability to crash an instance of OS X.

ADDITIONAL DETAILS


This vulnerability is being disclosed publicly without a patch in accordance with the ZDI 120 day deadline.

02/06/2014 - ZDI sent report to vendor
02/06/2014 - Vendor acknowledged report and provided a tracking number
08/25/2014 - ZDI sent follow-up inquiry
09/03/2014 - Vendor replied that this would not be in the next update
09/10/2014 - ZDI notified the vendor of the intent to publish as 0-day
01/27/2015 - Vendor releases a patch to address this issue: http://support.apple.com/en-us/HT204244


DISCLOSURE TIMELINE
  • 2014-02-06 - Case submitted to the ZDI
  • 2014-10-02 - Public release of advisory
CREDIT Vitaliy Toropov
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