CVE-2021-41094 : Exploit Details and Defense Strategies
Learn about CVE-2021-41094, a security flaw in Wire app allowing users to bypass encryption at rest. Find out the impact, affected versions, and mitigation steps.
Wire is an open source secure messenger where users could bypass mandatory encryption at rest by disabling their passcode.
Understanding CVE-2021-41094
What is CVE-2021-41094?
CVE-2021-41094 highlights an issue in the Wire app, allowing users to bypass mandatory encryption at rest by simply disabling their device passcode.
The Impact of CVE-2021-41094
The vulnerability could lead to unauthorized access to sensitive data as encryption at rest is not effectively enforced.
Technical Details of CVE-2021-41094
Vulnerability Description
Users could exploit the flaw to circumvent encryption at rest without their knowledge, leaving their data vulnerable.
Affected Systems and Versions
- Product: wire-ios
- Vendor: wireapp
- Versions affected: >= 3.68, < 3.70
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Local
- Privileges Required: High
- User Interaction: Required
Mitigation and Prevention
Immediate Steps to Take
- Users should update the Wire app to version 3.70 to mitigate this vulnerability.
- Enforce strong device passcodes to enhance data security.
Long-Term Security Practices
- Regularly review and update security settings on messaging apps.
- Educate users on the importance of security features like device passcodes.
Patching and Updates
Ensure all software and applications are updated to the latest versions to address known security issues.