Coverage Advisory for CVE-2023-23397: Microsoft Outlook Elevation of Privilege Vulnerability

Web: https://malware.news/t/coverage-advisory-for-cve-2023-23397-microsoft-outlook-elevation-of-privilege-vulnerability/67977

Background:

On 14th March 2023, Microsoft released a security update guide for a critical severity vulnerability CVE-2023-23397. This vulnerability targets Microsoft Outlook and allows NTLM credentials theft which could be used for privilege escalation attacks.

What is the issue?

An attacker can send an email to the victim with an extended MAPI (Microsoft Outlook Messaging API) property with a UNC (Universal Naming Convention - A string format that specifies the location of a resource) path to an attacker-controlled SMB (TCP …

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