CVE-2019-1010083 : Security Advisory and Response

Flask version of The Pallets Project before 1.0 is affected by unexpected memory usage, leading to a denial of service vulnerability when exploited through specially crafted encoded JSON data. The issue has been fixed in version 1.

Understanding CVE-2019-1010083

This CVE involves a denial of service vulnerability in Flask version of The Pallets Project before 1.0 due to unexpected memory usage.

What is CVE-2019-1010083?

The vulnerability in Flask version of The Pallets Project before 1.0 allows for a denial of service attack through specially crafted encoded JSON data.

The Impact of CVE-2019-1010083

The impact of this vulnerability is a denial of service, potentially disrupting the normal operation of affected systems.

Technical Details of CVE-2019-1010083

Flask version of The Pallets Project before 1.0 is susceptible to unexpected memory usage, resulting in a denial of service vulnerability.

Vulnerability Description

The vulnerability arises from unexpected memory usage in the Flask version of The Pallets Project before 1.0.

Affected Systems and Versions

Product: Flask
Vendor: The Pallets Project
Versions Affected:
Flask version \[fixed: 1.0]

Exploitation Mechanism

The vulnerability can be exploited through specially crafted encoded JSON data.

Mitigation and Prevention

To address CVE-2019-1010083, follow these steps:

Immediate Steps to Take

Update Flask to version 1 to mitigate the vulnerability.
Monitor for any unusual memory usage patterns that could indicate a potential denial of service attack.

Long-Term Security Practices

Regularly update software and dependencies to ensure the latest security patches are applied.
Implement input validation mechanisms to prevent malicious data inputs.

Patching and Updates

Apply patches and updates provided by The Pallets Project to fix the vulnerability.