SB2023041198 - Privilege escalation in Microsoft Windows Remote Procedure Call Service (RPCSS)



SB2023041198 - Privilege escalation in Microsoft Windows Remote Procedure Call Service (RPCSS)

Published: April 11, 2023

Security Bulletin ID SB2023041198
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-28297)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

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


The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in Windows Remote Procedure Call Service (RPCSS), which leads to security restrictions bypass and privilege escalation.


Remediation

Install update from vendor's website.