CVE-2017-18239: Exposure of Sensitive Information in authentikat-jwt
Summary
CVE-2017-18239: Exposure of Sensitive information in authentikat-jwt. Affects com.jason-goodwin:authentikat-jwt_2.12 versions < 0.4.6. Fixed in 0.4.6. How to fix ↓
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Background
The authentikat-jwt package is a library for JSON Web Token (JWT) implementation in Scala. It provides functionality for generating, parsing, and validating JWT tokens. The package is commonly used in Maven projects and can be identified by the package name com.jason-goodwin:authentikat-jwt_2.12. This vulnerability affects versions 0.4.5 and earlier of the package.
Vulnerability Detail
The vulnerability (CVE-2017-18239) in authentikat-jwt allows an attacker to guess the JWT signature bit by bit by repeatedly sending validation requests. This is due to a time-sensitive equality check on the JWT signature in the JsonWebToken.validate method. By exploiting this vulnerability, an attacker can potentially gain unauthorized access to sensitive information or perform other malicious actions.
How To Fix
Minimum fixed version
0.4.6
This is the first release that contains the fix.
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Workaround
There is no known workaround for this vulnerability. It is essential to update the authentikat-jwt package to the fixed version to ensure the security of the application.
Conclusion
The exposure of sensitive information vulnerability in authentikat-jwt (CVE-2017-18239) can be mitigated by updating the package to version 0.4.6 or later. It is crucial to promptly address this vulnerability to ensure the security of the application. For further support on vulnerability remediation, contact DevNack.com.
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FAQ
Authentikat-jwt is a Scala library for JSON Web Token (JWT) implementation, providing functionality for generating, parsing, and validating JWT tokens.
This vulnerability allows an attacker to guess the JWT signature bit by bit, potentially leading to unauthorized access to sensitive information or other malicious activities.
Versions 0.4.5 and earlier of the authentikat-jwt package are affected by this vulnerability.
To fix this vulnerability, update the authentikat-jwt package to version 0.4.6 or later.
No, there is no known workaround. Updating the package to the fixed version is the recommended solution.
