Advisory Details

July 16th, 2018

Adobe Acrobat Pro DC HTML2PDF HTML Parsing Use-After-Free Remote Code Execution Vulnerability

ZDI-18-645
ZDI-CAN-5778

CVE ID CVE-2018-12772
CVSS SCORE 6.8, (AV:N/AC:M/Au:N/C:P/I:P/A:P)
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 parsing of HTML files in HTML2PDF. 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 under 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/apsb18-21.html
DISCLOSURE TIMELINE
  • 2018-05-22 - Vulnerability reported to vendor
  • 2018-07-16 - Coordinated public release of advisory
  • 2018-07-16 - Advisory Updated
CREDIT Anonymous
BACK TO ADVISORIES