CVE-2018-11494: OpenCart Path Traversal
Summary
CVE-2018-11494: OpenCart Path Traversal. Affects opencart/opencart versions < 3.0.2.0. No fix is published. How to fix ↓
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Background
OpenCart is an open-source e-commerce platform that allows users to create and manage online stores. It provides various features for product management, order processing, and customer management. The vulnerability in OpenCart version 3.0.2.0 and below allows attackers to execute arbitrary code by exploiting a path traversal vulnerability in the 'program extension upload' feature. This feature follows a six-step process (upload, install, unzip, move, xml, remove) to handle uploaded extensions. However, if the remove step is skipped, an attacker can discover a secret temporary directory name through a directory traversal attack.
Vulnerability Detail
The path traversal vulnerability in OpenCart allows an attacker to execute arbitrary code on the server. By manipulating the 'language_info['code']' parameter, an attacker can traverse directories and discover the secret temporary directory name. This directory contains the uploaded extension files, and if the remove step is skipped, the attacker can execute arbitrary code by accessing these files. The impact of this vulnerability can be severe, as it allows unauthorized code execution and potential compromise of the server.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
If upgrading to a patched version is not immediately possible, a temporary workaround is to disable the 'program extension upload' feature in OpenCart. This can be done by modifying the configuration settings or removing the corresponding functionality from the code. However, this workaround may limit the functionality of the platform and should only be considered as a temporary measure until the upgrade can be performed.
Conclusion
The path traversal vulnerability in OpenCart version 3.0.2.0 and below allows attackers to execute arbitrary code on the server. To mitigate this vulnerability, it is recommended to upgrade to a patched version of OpenCart. If immediate upgrade is not possible, disabling the 'program extension upload' feature can be used as a temporary workaround. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
This vulnerability allows attackers to execute arbitrary code on the server, potentially leading to unauthorized access, data compromise, and server compromise.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your OpenCart installation is affected by this vulnerability. Simply upload your composer.lock file and the playground will analyze it for any known vulnerabilities.
Yes, the OpenCart development team has released a patch for this vulnerability in versions above 3.0.2.0. It is recommended to upgrade to the latest version to ensure you are protected.
Yes, you can disable the 'program extension upload' feature in OpenCart as a temporary workaround. However, this may limit the functionality of the platform and should only be considered until you can upgrade to a patched version.
There are no known public exploits for this vulnerability at the moment. However, it is important to patch your OpenCart installation as soon as possible to prevent any potential attacks.
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