Advisory Details

July 1st, 2015

Apple OS X LZVN DMG Information Disclosure Vulnerabillity

ZDI-15-286
ZDI-CAN-2719

CVE ID CVE-2015-3677
CVSS SCORE 4.9, AV:L/AC:L/Au:N/C:C/I:N/A:N
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 DMG files. The issue lies in the handling of LZVN compressed streams. An attacker can leverage this vulnerability to leak the sensitive contents of physical memory.
ADDITIONAL DETAILS Apple has issued an update to correct this vulnerability. More details can be found at:
https://support.apple.com/kb/HT1222
DISCLOSURE TIMELINE
  • 2015-02-26 - Vulnerability reported to vendor
  • 2015-07-01 - Coordinated public release of advisory
CREDIT Anonymous
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