SB2023021441 - Multiple DoS vulnerabilities in Microsoft Windows iSCSI Service

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Input validation error (CVE-ID: CVE-2023-21811)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the Windows iSCSI Service. A remote attacker can send specially crafted input to the system and perform a denial of service (DoS) attack.

2) Input validation error (CVE-ID: CVE-2023-21700)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the Windows iSCSI Discovery Service. A remote attacker can send specially crafted input to the system and perform a denial of service (DoS) attack.

3) Input validation error (CVE-ID: CVE-2023-21702)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the Windows iSCSI Service. A remote attacker can send specially crafted input to the service and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21811
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21700
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21702