TippingPoint Zero Day Initiative
 

Bitdefender Internet Security PDF Predictor Integer Overflow Remote Code Execution Vulnerability

ZDI-17-717: September 6th, 2017

CVE ID

CVSS Score

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.

Vendor Response

Bitdefender states:


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

This vulnerability was discovered by:
    Pagefault