Advisory Details

August 15th, 2023

(Pwn2Own) Adobe Acrobat Reader DC Protected API Restrictions Bypass Vulnerability

ZDI-23-1111
ZDI-CAN-20746

CVE ID CVE-2023-29320
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 Reader DC
VULNERABILITY DETAILS

This vulnerability allows remote attackers to bypass JavaScript API restrictions on affected installations of Adobe Acrobat Reader 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 Net obects. The application does not adequately restrict access to a protected API. An attacker can leverage this vulnerability to execute arbitrary 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/apsb23-30.html
DISCLOSURE TIMELINE
  • 2023-03-30 - Vulnerability reported to vendor
  • 2023-08-15 - Coordinated public release of advisory
CREDIT AbdulAziz Hariri of Haboob SA
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