CVE-2018-1000620: Insufficient Entropy in cryptiles
Summary
CVE-2018-1000620: Insufficient Entropy in cryptiles. Affects cryptiles versions >= 3.1.0, < 4.1.2. Fixed in 4.1.2. How to fix ↓
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Background
The cryptiles package is an npm package that provides various cryptographic utility functions. It is used for generating random numbers, digits, and bits. The package has been deprecated and moved to @hapi/cryptiles, and it is recommended to use the maintained package. Versions prior to 4.1.2 are vulnerable to Insufficient Entropy.
Vulnerability Detail
The vulnerability in cryptiles arises from the randomDigits() method, which does not provide sufficient entropy. As a result, the generated digits are not evenly distributed. This can lead to cryptographic weaknesses and compromise the security of applications that rely on this package. The vulnerability has a CVSS score of 9.8, indicating its critical severity.
How To Fix
Minimum fixed version
4.1.2
This is the first release that contains the fix.
npm install cryptiles@4.1.2Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The cryptiles package prior to version 4.1.2 is vulnerable to Insufficient Entropy. It is crucial to upgrade to the fixed version or migrate to @hapi/cryptiles to ensure the security of applications. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for cryptiles →
FAQ
The vulnerability can lead to cryptographic weaknesses and compromise the security of applications that use the cryptiles package. Attackers may be able to exploit the insufficient entropy to predict or manipulate random numbers, compromising the integrity and confidentiality of cryptographic operations.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities, using just the package-lock.json file.
Yes, the cryptiles package has been deprecated and moved to @hapi/cryptiles. It is strongly recommended to migrate to this maintained package to ensure security and receive updates.
The CVSS score of this vulnerability is 9.8, indicating its critical severity.
For more information about this vulnerability, you can visit the GitHub Advisory Database at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2018/09/GHSA-rq8g-5pc5-wrhr/GHSA-rq8g-5pc5-wrhr.json
