SB2023101094 - Remote code execution in Microsoft Exchange Server
Published: October 10, 2023
Security Bulletin ID
SB2023101094
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) OS Command Injection (CVE-ID: CVE-2023-36778)
CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVSSv4: CVSS:4.0/AV:A/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 execute arbitrary commands on the target system.
The vulnerability exists due to improper validation of cmdlet arguments. A remote authenticated user on the local network can pass specially crafted data to the server and execute arbitrary code via a PowerShell remoting session.
Remediation
Install update from vendor's website.