published June 25, 2021
⚠️ A simple oversight in MISP 2.4.144 allows unsanitized data to slip through the cracks — like a restaurant serving a dish without checking for allergies! Think of it as a diner who orders a meal with a secret ingredient they’re allergic to, but the kitchen never double-checks the order ticket. This oversight can lead to disastrous consequences for users who expect safe and secure data handling. An attacker could inject harmful data into the system using generic templates, potentially leading to unexpected behavior, data corruption, or even application crashes. While we haven’t seen exploitations yet, the effects could be quite disruptive for users relying on MISP for security handling.
Think of it as a diner who orders a meal with a secret ingredient they’re allergic to, but the kitchen never double-checks the order ticket. This oversight can lead to disastrous consequences for users who expect safe and secure data handling. This vulnerability stems from the lack of proper data sanitization in the file app/View/Elements/genericElements/IndexTable/Fields/generic_field.ctp, which can be exploited through generic-template:index input.
An attacker could inject harmful data into the system using generic templates, potentially leading to unexpected behavior, data corruption, or even application crashes. While we haven’t seen exploitations yet, the effects could be quite disruptive for users relying on MISP for security handling. To mitigate this vulnerability, ensure you upgrade MISP to the latest version where this issue is fixed. Additionally, review and sanitize all user inputs in your templates to bolster your data handling standards. This is fixable! Make these updates and you’ll be well on your way to securing your application. 🛡️