Directory Traversal Vulnerability in Tryton Client: Arbitrary File Write Risk
Summary
CVE-2013-4510: Directory traversal vulnerability in the client in Tryton 3.0.0, as distributed before 20131104 and earlier, allows remote servers to write arbitrary files via path separators in the extension of a report. Affects tryton-client versions < 2.8.4-1. Fixed in 2.8.4-1. How to fix ↓
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Background
Tryton is an open-source business software platform that provides a modular and flexible framework for managing various business processes. The Tryton client is a key component that allows users to interact with the Tryton server, facilitating tasks such as data entry, reporting, and management. The vulnerability in question affects versions of the Tryton client prior to 2.8.4-1, exposing it to directory traversal attacks that could allow unauthorized file writes.
Vulnerability Detail
The vulnerability, identified as CVE-2013-4510, arises from a directory traversal flaw in the Tryton client. This issue allows remote servers to manipulate file paths by injecting path separators into the report extension. As a result, attackers can potentially write arbitrary files on the server, leading to unauthorized data access, data corruption, or even complete system compromise. This vulnerability is particularly concerning as it can be exploited without authentication, making it accessible to any remote attacker.
How To Fix
Minimum fixed version
2.8.4-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade tryton-clientTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
If upgrading is not immediately feasible, consider restricting access to the Tryton client or implementing network-level controls to limit exposure to untrusted servers. Additionally, monitor logs for any suspicious activity that may indicate attempts to exploit this vulnerability.
Conclusion
The directory traversal vulnerability in the Tryton client poses significant risks to users, allowing unauthorized file writes by exploiting path manipulation. It is crucial for users to upgrade to the fixed version to safeguard their systems. For those unable to upgrade immediately, implementing workarounds can help mitigate risks until a proper fix is applied.
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FAQ
CVE-2013-4510 is a directory traversal vulnerability in the Tryton client that allows remote servers to write arbitrary files by manipulating file paths.
Versions of the Tryton client prior to 2.8.4-1 are affected by this vulnerability.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
The risks include unauthorized file access, data corruption, and potential system compromise, as attackers can write arbitrary files on the server.
Yes, you can restrict access to the Tryton client and implement network controls to limit exposure to untrusted servers while monitoring logs for suspicious activity.
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