SB2021020938 - Multiple vulnerabilities in Microsoft Windows Fax Service

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Input validation error (CVE-ID: CVE-2021-24077)

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 Windows Fax Service. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.

2) Input validation error (CVE-ID: CVE-2021-1722)

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 Windows Fax Service. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24077
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1722