Advisory Details

December 12th, 2018

Adobe Acrobat Pro DC Onix FileClassT Use-After-Free Remote Code Execution Vulnerability

ZDI-18-1370
ZDI-CAN-6900

CVE ID CVE-2018-16046
CVSS SCORE 5.2, AV:L/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L
AFFECTED VENDORS Adobe
AFFECTED PRODUCTS Acrobat Pro DC
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Adobe Acrobat Pro 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 FileClassT objects. By manipulating a document's elements an attacker can cause a pointer to be reused after it has been freed. 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
  • 2018-07-22 - Vulnerability reported to vendor
  • 2018-12-12 - Coordinated public release of advisory
CREDIT Sebastian Apelt (@bitshifter123)
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