Multiple vulnerabilities in Microsoft HEVC Video Extensions



Published: 2021-01-12
Risk High
Patch available YES
Number of vulnerabilities 2
CVE ID CVE-2021-1643
CVE-2021-1644
CWE ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
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HEVC Video Extensions
Client/Desktop applications / Multimedia software

Vendor Microsoft

Security Advisory

1) Input validation error

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/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-2021-1643

CWE-ID: CWE-20 - Improper Input Validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in HEVC Video Extensions. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

HEVC Video Extensions: All versions

CPE External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1643

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.

2) Input validation error

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/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-2021-1644

CWE-ID: CWE-20 - Improper Input Validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in HEVC Video Extensions. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

HEVC Video Extensions: All versions

CPE External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1644

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.



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