CVE-2023-27159: Appwrite Server-Side Request Forgery vulnerability in appwrite/server-ce
Summary
CVE-2023-27159: Appwrite Server-Side Request Forgery vulnerability. Affects appwrite/server-ce versions < 1.2.1. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
Background
Appwrite is an open-source backend server that helps developers build and deploy applications quickly. It provides various features such as user authentication, database management, file storage, and more. The vulnerability identified in Appwrite version up to v1.2.1 is a Server-Side Request Forgery (SSRF) issue. SSRF allows attackers to manipulate the server to make requests to arbitrary URLs, potentially accessing sensitive information or resources on the network.
Vulnerability Detail
The vulnerability in Appwrite arises from the component /v1/avatars/favicon. Attackers can exploit this flaw by crafting a malicious GET request, which can lead to unauthorized access to network resources and sensitive information. This vulnerability poses a significant risk to the confidentiality of data and the integrity of the system.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
As a temporary workaround, you can implement input validation and filtering on the affected component to prevent the SSRF attack. Ensure that the GET request only allows access to trusted and intended resources. Here is an example of how to sanitize the input:
$url = $_GET['url'];
if (filter_var($url, FILTER_VALIDATE_URL)) {
// Proceed with the request
} else {
// Handle invalid URL
}
Conclusion
The Appwrite Server-Side Request Forgery (SSRF) vulnerability in version up to v1.2.1 poses a significant risk to the security of applications utilizing Appwrite. To mitigate this vulnerability, it is crucial to update to a version that includes the necessary security patches. Implementing input validation and filtering can serve as a temporary workaround. For further assistance and support in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for appwrite/server-ce →
FAQ
Appwrite is an open-source backend server that simplifies application development and deployment. It offers various features like user authentication, database management, and file storage.
Server-Side Request Forgery (SSRF) is a vulnerability that allows attackers to manipulate a server into making requests to arbitrary URLs. This can lead to unauthorized access to network resources and sensitive information.
The SSRF vulnerability in Appwrite allows attackers to access network resources and sensitive information by crafting a malicious GET request. This can lead to unauthorized data disclosure and potential compromise of the system's integrity.
To fix the SSRF vulnerability in Appwrite, it is recommended to update to a version that includes the necessary security patches. Ensure that you are using a version beyond v1.2.1 or any version that includes the fix for this specific vulnerability.
As a temporary workaround, you can implement input validation and filtering on the affected component to prevent SSRF attacks. Ensure that the GET request only allows access to trusted and intended resources.
Related vulnerabilities
Recent vulnerabilities recorded for appwrite/server-ce.
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
