CVE-2020-1026: Incorrect Calculation in the MSR JavaScript Cryptography Library
Summary
CVE-2020-1026: Incorrect Calculation in the MSR JavaScript Cryptography Library. Affects msrcrypto versions < 1.5.8. Fixed in 1.5.8. How to fix ↓
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Background
The MSR JavaScript Cryptography Library is an open-source library that provides cryptographic functionality for JavaScript applications. It includes various algorithms and functions for encryption, decryption, hashing, and digital signatures. The library is commonly used in web applications that require secure communication and data protection. However, a vulnerability has been discovered in the library's Elliptic Curve Cryptography (ECC) implementation, which can lead to a security feature bypass.
Vulnerability Detail
The vulnerability in the MSR JavaScript Cryptography Library is caused by multiple bugs in its ECC implementation. These bugs can be exploited by an attacker to gain information about a server's private ECC key or to craft an invalid ECDSA signature that appears valid. This can result in unauthorized access to sensitive data or the ability to perform malicious actions on the affected system. The security update for the library addresses these bugs and prevents the vulnerability from being exploited.
How To Fix
Minimum fixed version
1.5.8
This is the first release that contains the fix.
npm install msrcrypto@1.5.8Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround provided for this vulnerability. The recommended solution is to apply the security update and update the library to the patched version.
Conclusion
The MSR JavaScript Cryptography Library is vulnerable to a security feature bypass due to bugs in its ECC implementation. This can lead to unauthorized access to sensitive information or the ability to perform malicious actions. To mitigate the risk, it is crucial to update the library to version 1.5.8 or later and review any code that relies on its ECC functionality. For additional support, contact DevNack.com.
See every vulnerability recorded for msrcrypto →
FAQ
The vulnerability can lead to a security feature bypass, allowing an attacker to gain access to sensitive information or perform unauthorized actions on the affected system.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your application is affected by this vulnerability. Simply upload your package-lock.json file to the playground, and it will provide real-time monitoring and alerts for open-source vulnerabilities, including this one.
There are no known exploits for this vulnerability at the time of this report. However, it is important to apply the security update as soon as possible to mitigate the risk.
Yes, this vulnerability can be exploited remotely. An attacker can target the affected system over a network connection to exploit the ECC implementation bugs and bypass security features.
For further support on vulnerability remediation, you can contact info@devnack.com. They can provide assistance and guidance in addressing this vulnerability in your application.
References
Related vulnerabilities
Recent vulnerabilities recorded for msrcrypto.
