Advisory Details

July 28th, 2021

Adobe After Effects PDF File Parsing Memory Corruption Remote Code Execution Vulnerability

ZDI-21-900
ZDI-CAN-13859

CVE ID CVE-2021-36017
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 After Effects
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adobe After Effects. 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 processing of PDF files. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. 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/after_effects/apsb21-54.html
DISCLOSURE TIMELINE
  • 2021-06-02 - Vulnerability reported to vendor
  • 2021-07-28 - Coordinated public release of advisory
CREDIT Mat Powell of Trend Micro Zero Day Initiative
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