Unauthorized Record Ordering Vulnerability in Tryton Server
Summary
CVE-2019-10868: In trytond/model/modelstorage.py in Tryton 4.2 before 4.2.21, 4.4 before 4.4.19, 4.6 before 4.6.14, 4.8 before 4.8.10, and 5.0 before 5.0.6, an authenticated user can order records based on a field for which he has no ac... Affects tryton-server across 2 version ranges.
< 5.0.4-2
>= 26938217164a2f84d2bf0bc851271af0d4880ec0, < 3de46d5399b0e0b22dbdc5206b740c87d4cda5e1
Fixed in 5.0.4-2. How to fix ↓
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Background
Tryton is a high-level, general-purpose application development framework that is designed to facilitate the creation of business applications. It is modular and provides a robust set of features, including a powerful ORM, a flexible user interface, and extensive support for various business processes. However, certain versions of Tryton Server are vulnerable to an issue that allows authenticated users to order records based on fields they do not have access rights to, potentially leading to data exposure.
Vulnerability Detail
The vulnerability, identified as CVE-2019-10868, affects Tryton versions 4.2 before 4.2.21, 4.4 before 4.4.19, 4.6 before 4.6.14, 4.8 before 4.8.10, and 5.0 before 5.0.6. It allows authenticated users to manipulate record ordering based on fields for which they lack permissions. This could enable users to infer sensitive information by guessing values, posing a significant risk to data confidentiality.
How To Fix
Minimum fixed version
5.0.4-2
This is the first release that contains the fix.
sudo apt-get install --only-upgrade tryton-serverTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary measure, restrict access rights for users to prevent them from ordering records based on sensitive fields. This can be done by reviewing and adjusting the access control settings in your Tryton configuration.
Conclusion
CVE-2019-10868 presents a significant risk to data confidentiality in Tryton Server by allowing unauthorized record ordering. It is crucial for users to upgrade to the patched versions to mitigate this vulnerability. Additionally, using tools like Vulert can help monitor and alert for such vulnerabilities in real-time.
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FAQ
CVE-2019-10868 is a vulnerability in Tryton Server that allows authenticated users to order records based on fields they do not have access to, potentially exposing sensitive data.
The affected versions include Tryton 4.2 before 4.2.21, 4.4 before 4.4.19, 4.6 before 4.6.14, 4.8 before 4.8.10, and 5.0 before 5.0.6.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
The CVSS score for CVE-2019-10868 is 6.5, indicating a medium severity level.
If an immediate upgrade is not possible, review and restrict user access rights to sensitive fields as a temporary workaround.
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