Advisory Details

May 25th, 2020

Adobe Character Animator EPS BoundingBox Element Stack-based Buffer Overflow Remote Code Execution Vulnerability

ZDI-20-668
ZDI-CAN-10879

CVE ID CVE-2020-9586
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 Character Animator
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adobe Character Animator. 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 the BoundingBox element in PostScript. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

ADDITIONAL DETAILS

https://helpx.adobe.com/security/products/character_animator/apsb20-25.html


DISCLOSURE TIMELINE
  • 2020-04-07 - Vulnerability reported to vendor
  • 2020-05-25 - Coordinated public release of advisory
CREDIT Mat Powell of Trend Micro Zero Day Initiative
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