Advisory Details

December 20th, 2017

Adobe Flash NetworkConfiguration addCustomHeader Out-Of-Bounds Read Remote Code Execution Vulnerability

ZDI-17-996
ZDI-CAN-5074

CVE ID CVE-2017-3112
CVSS SCORE 6.8, (AV:N/AC:M/Au:N/C:P/I:P/A:P)
AFFECTED VENDORS Adobe
AFFECTED PRODUCTS Flash
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 29742. 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 Flash. 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 NetworkConfiguration's addCustomHeader method. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated object. An attacker can leverage this vulnerability to execute code under the context of current process.

ADDITIONAL DETAILS Adobe has issued an update to correct this vulnerability. More details can be found at:
https://helpx.adobe.com/in/security/products/flash-player/apsb17-33.html
DISCLOSURE TIMELINE
  • 2017-08-04 - Vulnerability reported to vendor
  • 2017-12-20 - Coordinated public release of advisory
CREDIT bo13oy
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