Adobe Reader DC Onix IndexManagerT GetRecordInfo Uninitialized Pointer Remote Code Execution Vulnerability

December 12th, 2018
ZDI-18-1387 ZDI-CAN-6922

CVE ID

CVE-2018-16004

CVSS Score

8.2 AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Affected Vendors

Adobe

Affected Products

Reader

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Adobe Reader DC. 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 the GetRecordInfo method. The issue results from the lack of proper initialization of a pointer prior to accessing it. An attacker can leverage this vulnerability to execute code in the context of the current process.

Additional Details

Adobe has issued an update to correct this vulnerability. More details can be found at:
https://helpx.adobe.com/security/products/acrobat/apsb18-41.html

Disclosure Timeline

  • 2018-07-24 - Vulnerability reported to vendor
  • 2018-12-12 - Coordinated public release of advisory

Credit

Sebastian Apelt (@bitshifter123)

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