Advisory Details

January 4th, 2019

Adobe Acrobat Pro DC Preflight setDefaultLibrary Use-After-Free Remote Code Execution Vulnerability

ZDI-19-001
ZDI-CAN-6656

CVE ID CVE-2018-16011
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 Preflight setDefaultLibrary method. The issue results from the lack of validating the existence of an object prior to performing operations on the object. 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/apsb19-02.html
DISCLOSURE TIMELINE
  • 2018-07-09 - Vulnerability reported to vendor
  • 2019-01-04 - Coordinated public release of advisory
CREDIT Sebastian Apelt (@bitshifter123)
BACK TO ADVISORIES