Zero-Day Advisory

Fortinet Discovers Adobe Animate Arbitrary Code Execution Vulnerability

Summary

Fortinet's FortiGuard Labs has discovered a memory corruption vulnerability in Adobe Animate.

Adobe Animate is a multimedia authoring and computer animation program. It is used to design vector graphics and animation for television programs, online video, websites, web applications, rich internet applications, and video games.

An out-of-bounds write vulnerability has been discovered in Adobe Animate by FortiGuard Labs. The vulnerability exists because the vulnerable software can't correctly parse a crafted FLA file. The successful exploit of this vulnerability could allow malicious users to create code execution scenarios.

Solutions

FortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:

Adobe.Animate.CVE-2021-21052.Arbitrary.Code.Execution
Released Dec 28, 2020
Apply the solution provided by Adobe.

Timeline

Fortinet reported the vulnerability to Adobe on December 17, 2020.

Adobe patched the vulnerability on February 9, 2021.

References

• https://helpx.adobe.com/security/products/animate/apsb21-11.html
  

• CVE-2021-21052

Acknowledgement

This vulnerability was discovered by Kexu Wang of Fortinet's FortiGuard Labs.

IPS Subscription

Fortinet customers who subscribe to Fortinet's intrusion prevention (IPS) service should be protected against this vulnerability with the appropriate configuration parameters in place. Fortinet's IPS service is one component of FortiGuard Subscription Services, which also offer comprehensive solutions such as antivirus, Web content filtering and antispam capabilities. These services enable protection against threats on both application and network layers. FortiGuard Services are continuously updated by FortiGuard Labs, which enables Fortinet to deliver a combination of multi-layered security intelligence and true zero-day protection from new and emerging threats. These updates are delivered to all FortiGate, FortiMail and FortiClient products. Fortinet strictly follows responsible disclosure guidelines to ensure optimum protection during a threat's lifecycle.