Advisory Details

April 28th, 2022

Adobe Acrobat Pro DC AcroForm calculateNow Use-After-Free Remote Code Execution Vulnerability

ZDI-22-684
ZDI-CAN-16404

CVE ID CVE-2022-28230
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 affected 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 calculateNow function. 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/apsb22-16.html
DISCLOSURE TIMELINE
  • 2022-02-09 - Vulnerability reported to vendor
  • 2022-04-28 - Coordinated public release of advisory
CREDIT Mark Vincent Yason (@MarkYason)
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