Learn about CVE-2021-23447 (Cross-site Scripting) affecting teddy package versions before 0.5.9. Explore impact, technical details, and mitigation steps to secure your systems.
A detailed overview of CVE-2021-23447, covering its impact, technical details, and mitigation steps.
Understanding CVE-2021-23447
This CVE involves a type confusion vulnerability in the package teddy, allowing bypass of input sanitization when model content is an array instead of a string.
What is CVE-2021-23447?
CVE-2021-23447, also known as Cross-site Scripting (XSS), affects the teddy package versions prior to 0.5.9, enabling attackers to execute malicious scripts on behalf of users.
The Impact of CVE-2021-23447
With a CVSS base score of 5.4 (Medium severity), this vulnerability poses a moderate risk, allowing for XSS attacks that may compromise confidentiality and integrity.
Technical Details of CVE-2021-23447
Get insights into the vulnerability description, affected systems, and the mechanism of exploitation.
Vulnerability Description
The vulnerability lies in teddy versions prior to 0.5.9, where a type confusion flaw enables attackers to evade input sanitization checks.
Affected Systems and Versions
The vulnerability impacts teddy versions less than 0.5.9, specifically when model content is an array and can bypass input sanitization measures.
Exploitation Mechanism
By exploiting the type confusion issue, threat actors can manipulate array-based model content to execute XSS payloads, compromising application security.
Mitigation and Prevention
Explore the immediate steps and long-term practices to enhance security and safeguard systems.
Immediate Steps to Take
Users are advised to update teddy to version 0.5.9 or higher to mitigate the XSS risk and ensure input sanitization functions correctly.
Long-Term Security Practices
Developers should implement secure coding practices, input validation, and regular security audits to prevent XSS and other injection attacks.
Patching and Updates
Stay informed about security patches and updates released by teddy developers. Regularly apply patches to address known vulnerabilities and enhance system security.