SB2023021440 - Remote code execution in Microsoft Windows iSCSI Discovery Service



SB2023021440 - Remote code execution in Microsoft Windows iSCSI Discovery Service

Published: February 14, 2023

Security Bulletin ID SB2023021440
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2023-21803)

The vulnerability allows a remote attacker to compromise the affected system

The vulnerability exists due to insufficient validation of user-supplied input within the Windows iSCSI Discovery Service. A remote attacker can send a specially crafted malicious DHCP discovery request to the iSCSI Discovery Services and execute arbitrary code on the system.

Note, only x86 or 32-bit based versions of Windows are affected by this vulnerability.


Remediation

Install update from vendor's website.