Advisory Details

August 15th, 2023

(Pwn2Own) Adobe Acrobat Reader DC Net.HTTP.request URL Restriction Bypass Vulnerability

ZDI-23-1110
ZDI-CAN-20744

CVE ID CVE-2023-26406
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 execute arbitrary code 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 enforcement of the allowlist for domains. The issue lies in improper verification of approved domains for content delivery. 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/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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