SB2023011079 - Denial of service in Microsoft Remote Procedure Call Runtime



SB2023011079 - Denial of service in Microsoft Remote Procedure Call Runtime

Published: January 10, 2023

Security Bulletin ID SB2023011079
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Race condition (CVE-ID: CVE-2023-21525)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to a race condition in Remote Procedure Call Runtime. A remote user can exploit the race and cause a denial of service condition on the system.


Remediation

Install update from vendor's website.