QID 91788

Date Published: 2021-07-14

QID 91788: Microsoft Windows Codecs Library High Efficiency Video Coding (HEVC) Video Extensions Remote Code Execution (RCE) Vulnerabilities

A remote code execution vulnerability exists in the way that Microsoft Windows Codecs Library handles objects in memory.

Affected Product:
"HEVC" or "HEVC from Device Manufacturer" media codec before version 1.0.41483.0

QID detection Logic:
The gets the version of HEVCVideoExtension by querying wmi class Win32_InstalledStoreProgram.

An attacker who successfully exploited this vulnerability can compromise confidentiality, integrity and availability of the system

CVSS V3 rated as High - 7.8 severity.

CVSS V2 rated as High - 6.8 severity.

Solution

Users are advised to check CVE-2021-31947 ,CVE-2021-33775 for more information.

, CVE-2021-33776 for more information.

,CVE-2021-33777 for more information.

,CVE-2021-33778 for more information.

Vendor References

CVE-2021-31947 - msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31947
CVE-2021-33775 - msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33775
CVE-2021-33776 - msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33776
CVE-2021-33777 - msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33777
CVE-2021-33778 - msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33778

CVEs related to QID 91788

CVE-2021-31947 | CVE-2021-33775 | CVE-2021-33776 | CVE-2021-33777 | CVE-2021-33778 |

Software Advisories

Advisory ID	Software	Component	Link
CVE-2021-31947			portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2021-31947
CVE-2021-33775			msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33775
CVE-2021-33776			msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33776
CVE-2021-33777			msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33777
CVE-2021-33778			msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33778

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