1) Buffer overflow

Risk: High

CVSSv3: 7.7 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-16915

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Windows Media Foundation. A remote attacker can create a specially crafted document, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Windows: 10 1607, 10 1709, 10 1803, 10 1809, 10 1903, 10 1909, 10 2004

Windows Server: 2016, 2019, 2019 1903, 2019 1909, 2019 2004

CPE

• cpe:/o:microsoft:windows:10 1803:
• cpe:/o:microsoft:windows:10 1809:
• cpe:/o:microsoft:windows:10 1909:
• cpe:/o:microsoft:windows:10 1709:
• cpe:/o:microsoft:windows:10 1903:
• cpe:/o:microsoft:windows:10 2004:
• cpe:/o:microsoft:windows:10 1607:
• cpe:/o:microsoft:windows_server:2019:
• cpe:/o:microsoft:windows_server:2019 1909:
• cpe:/o:microsoft:windows_server:2019 1903:
• cpe:/o:microsoft:windows_server:2019 2004:
• cpe:/o:microsoft:windows_server:2016:

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16915

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.