SB2020051255 - Multiple vulnerabilities in Microsoft Connected User Experiences and Telemetry Service

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Input validation error (CVE-ID: CVE-2020-1084)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to the Connected User Experiences and Telemetry Service fails to validate certain function values. A local user can run a specially crafted application and perform a denial of service (DoS) attack.

2) Buffer overflow (CVE-ID: CVE-2020-1123)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to the Connected User Experiences and Telemetry Service improperly handles file operations. A local user can run a specially crafted application, trigger memory corruption and cause a denial of service condition on the target system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1084
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1123