Bitdefender Internet Security PDF Predictor Integer Overflow Remote Code Execution Vulnerability

September 6th, 2017
ZDI-17-717 ZDI-CAN-4361

CVE ID

CVE-2017-10954

CVSS Score

9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected Vendors

Bitdefender

Affected Products

Internet Security

Vulnerability Details


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Bitdefender Internet Security. 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 pdf.xmd. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code under the context of SYSTEM.

Additional Details


The fix is in build version: 7.72918 and higher.


Disclosure Timeline

  • 2017-08-23 - Vulnerability reported to vendor
  • 2017-09-06 - Coordinated public release of advisory

Credit

Pagefault

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