Advisory Details

November 15th, 2023

Adobe Acrobat Reader DC Annotation Out-Of-Bounds Read Remote Code Execution Vulnerability

ZDI-23-1712
ZDI-CAN-21493

CVE ID CVE-2023-44338
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 handling of Annotation objects. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. 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/apsb23-54.html
DISCLOSURE TIMELINE
  • 2023-07-13 - Vulnerability reported to vendor
  • 2023-11-15 - Coordinated public release of advisory
CREDIT Anonymous
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