Advisory Details

April 3rd, 2015

(Pwn2Own) Mozilla Firefox Bounds Check Elimination Remote Code Execution Vulnerability

ZDI-15-109
ZDI-CAN-2830

CVE ID CVE-2015-0817
CVSS SCORE 6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS Mozilla
AFFECTED PRODUCTS Firefox
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['19611']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Mozilla Firefox. 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 heap access bounds checking. A specially crafted typed array can eliminate bounds checks for heap accesses. An attacker can leverage this vulnerability to execute code under the context of the current process.

ADDITIONAL DETAILS Mozilla has issued an update to correct this vulnerability. More details can be found at:
https://bugzilla.mozilla.org/show_bug.cgi?id=1145255
DISCLOSURE TIMELINE
  • 2015-03-19 - Vulnerability reported to vendor
  • 2015-04-03 - Coordinated public release of advisory
CREDIT i1xu1a
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