Kimai 1.14 CSV Injection

2021.04.27

Credit: Mohammed Aloraimi

Risk: Low

Local: No

Remote: Yes

CVE: N/A

CWE: N/A

# Exploit Title: Kimai 1.14 - CSV Injection
# Date: 26/04/2021
# Exploit Author: Mohammed Aloraimi
# Vendor Homepage: https://www.kimai.org/
# Software Link: https://github.com/kevinpapst/kimai2
# Version: 1.14 <https://github.com/kevinpapst/kimai2/releases/tag/1.14>
# Payload:  @SUM(1+9)*cmd|' /C calc'!A0
# Tested on: Win10x64
# Proof Of Concept:
CSV Injection (aka Excel Macro Injection or Formula Injection) exists in
creating new timesheet in Kimai. By filling the Description field with malicious
payload, it will be mistreated while exporting to a CSV file.

To exploit this vulnerability:
1- Login as user.
2- Create new timesheet.
3- Fill the description with the malicious payload.
4- Save the timesheet.
5- Export it via CSV.
6- Open the CSV file, allow all popups and our payload is executed(calculator is opened).

See this note in RAW Version

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Kimai 1.14 CSV Injection

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