Advisory Details

May 15th, 2019

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

ZDI-19-496
ZDI-CAN-8125

CVE ID CVE-2019-7796
CVSS SCORE 7.8, (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
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 the HTML2PDF plugin. 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/apsb19-18.html
DISCLOSURE TIMELINE
  • 2019-03-08 - Vulnerability reported to vendor
  • 2019-05-15 - Coordinated public release of advisory
CREDIT T3rmin4t0r
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