Advisory Details

July 28th, 2021

Adobe After Effects PDF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

ZDI-21-901
ZDI-CAN-14154

CVE ID CVE-2021-36019
CVSS SCORE 3.3, (AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)
AFFECTED VENDORS Adobe
AFFECTED PRODUCTS After Effects
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information 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 parsing of PDF files. 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 in conjunction with other vulnerabilities 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/after_effects/apsb21-54.html
DISCLOSURE TIMELINE
  • 2021-06-30 - Vulnerability reported to vendor
  • 2021-07-28 - Coordinated public release of advisory
CREDIT Qiao Li Of Baidu Security Lab
BACK TO ADVISORIES