Advisory Details

July 29th, 2015

(Pwn2Own) Adobe Reader opendoc Broker Message Integer Overflow Remote Code Execution Vulnerability

ZDI-15-369
ZDI-CAN-2822

CVE ID CVE-2015-5109
CVSS SCORE 6.8, (AV:N/AC:M/Au:N/C:P/I:P/A:P)
AFFECTED VENDORS Adobe
AFFECTED PRODUCTS Reader
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 19616. 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 Adobe Reader. 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 processing of the opendoc message. A specially crafted opendoc message can cause an integer wrap of a size value passed to a malloc call, which is followed by a strncpy call. An attacker can leverage this vulnerability to execute code at medium integrity.

ADDITIONAL DETAILS Adobe has issued an update to correct this vulnerability. More details can be found at:
https://helpx.adobe.com/security/products/reader/apsb15-15.html
DISCLOSURE TIMELINE
  • 2015-03-18 - Vulnerability reported to vendor
  • 2015-07-29 - Coordinated public release of advisory
CREDIT Nicolas Joly
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