Advisory Details

August 15th, 2023

(Pwn2Own) Adobe Acrobat Reader DC Net.HTTP.request Exposed Dangerous Method Sandbox Escape

ZDI-23-1108
ZDI-CAN-20743

CVE ID CVE-2023-26405
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 escape the sandbox 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 Net.HTTP.request method. The component exposes an undocumented verb that allows an attacker to open a mini-browser session. An attacker can leverage this vulnerability to escape the sandbox and 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/apsb23-24.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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