Advisory Details

May 15th, 2019

Adobe Acrobat Pro DC XFA Template Type Confusion Remote Code Execution Vulnerability

ZDI-19-504
ZDI-CAN-8293

CVE ID CVE-2019-7820
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 handling of XFA Template objects. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. 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
  • 2019-03-26 - Vulnerability reported to vendor
  • 2019-05-15 - Coordinated public release of advisory
CREDIT hungtt28 of Viettel Cyber Security
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