SB2023080866 - Spoofing attack in Microsoft Outlook



SB2023080866 - Spoofing attack in Microsoft Outlook

Published: August 8, 2023

Security Bulletin ID SB2023080866
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Spoofing attack (CVE-ID: CVE-2023-36893)

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

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


The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data. A remote attacker can perform spoofing attack and obtain NetNTLMv2 hashes.


Remediation

Install update from vendor's website.