Zero-Day Advisory

Fortinet Discovers Microsoft Windows Codec Library Memory Double Free Vulnerability

Summary

Fortinet's FortiGuard Labs has discovered memory double-free on Microsoft Windows Codecs Library.

Microsoft Windows Codecs Library is a codec library that ship with encoding and decoding capabilities for image and media files that supported by Windows.

A remoted code execution vulnerability exists in the way that Microsoft Windows Codecs Library handles objects in memory. An attacker who successfully exploited the vulnerability could execute arbitrary code.

Solutions

Users should apply the solution provided by Microsoft.

Timeline

Fortinet reported the vulnerability to Microsoft on February 04, 2020

Microsoft confirmed the vulnerability on February 13, 2020

Microsoft released patch for the vulnerability on April 15, 2020

References

• https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2020-0965
  

• CVE-2020-0965

Acknowledgement

This vulnerability was discovered by Wayne Low 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.