CVE-2021-41170 : What You Need to Know
Learn about CVE-2021-41170 in neoan3-template by sroehrl. Discover the impact, affected systems, exploitation mechanism, and mitigation steps for this critical vulnerability.
In versions prior to 1.1.1 of neoan3-template by sroehrl, a vulnerability allowed passing closures directly into the template engine, leading to potential execution of methods and functions. This CVE-2021-41170 affects the security and privacy of users.
Understanding CVE-2021-41170
What is CVE-2021-41170?
CVE-2021-41170 is a critical vulnerability in neoan3-template, enabling the execution of methods and functions due to passing closures directly into the template engine.
The Impact of CVE-2021-41170
This critical vulnerability can result in high impacts on confidentiality, integrity, and availability, making it crucial to address promptly.
Technical Details of CVE-2021-41170
Vulnerability Description
The issue arises when values callable by the template engine have the same name as a method or function in the program scope, potentially leading to unintended or malicious execution.
Affected Systems and Versions
- Product: neoan3-template
- Vendor: sroehrl
- Versions affected: < 1.1.1
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Mitigation and Prevention
Immediate Steps to Take
- Upgrade to version 1.1.1 to fix the vulnerability.
Long-Term Security Practices
- Avoid passing closures directly into the template engine.
- Implement input validation and sanitization to prevent malicious user inputs.
Patching and Updates
- Regularly update the software to the latest secure versions.