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Vulnerability Details : CVE-2019-12169

ATutor 2.2.4 allows Arbitrary File Upload and Directory Traversal, resulting in remote code execution via a ".." pathname in a ZIP archive to the mods/_core/languages/language_import.php (aka Import New Language) or mods/_standard/patcher/index_admin.php (aka Patcher) component.
Publish Date : 2019-06-03 Last Update Date : 2019-08-05
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- CVSS Scores & Vulnerability Types

CVSS Score
6.8
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute CodeDirectory traversal
CWE ID 434

- Products Affected By CVE-2019-12169

# Product Type Vendor Product Version Update Edition Language
1 Application Atutor Atutor 2.2.1 Version Details Vulnerabilities
2 Application Atutor Atutor 2.2.2 Version Details Vulnerabilities
3 Application Atutor Atutor 2.2.4 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Atutor Atutor 3

- References For CVE-2019-12169

https://github.com/fuzzlove/ATutor-2.2.4-Language-Exploit
http://packetstormsecurity.com/files/153870/ATutor-2.2.4-Arbitrary-File-Upload-Command-Execution.html
https://github.com/fuzzlove
http://incidentsecurity.com/atutor-2-2-4-language_import-arbitrary-file-upload-rce/

- Metasploit Modules Related To CVE-2019-12169

ATutor 2.2.4 - Directory Traversal / Remote Code Execution,
This module exploits an arbitrary file upload vulnerability together with a directory traversal flaw in ATutor versions 2.2.4, 2.2.2 and 2.2.1 in order to execute arbitrary commands. It first creates a zip archive containing a malicious PHP file. The zip archive takes advantage of a directory traversal vulnerability that will cause the PHP file to be dropped in the root server directory (`htdocs` for Windows and `html` for Linux targets). The PHP file contains an encoded payload that allows for remote command execution on the target server. The zip archive can be uploaded via two vectors, the `Import New Language` function and the `Patcher` function. The module first uploads the archive via `Import New Language` and then attempts to execute the payload via an HTTP GET request to the PHP file in the root server directory. If no session is obtained, the module creates another zip archive and attempts exploitation via `Patcher`. Valid credentials for an ATutor admin account are required. This module has been successfully tested against ATutor 2.2.4 running on Windows 10 (XAMPP server).
Module type : exploit Rank : excellent Platforms : Linux,Windows


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