Denial of service in Valine

Description

Valine is a fast, simple & powerful comment system. Valine 1.4.14 allows remote attackers to cause a denial of service (application outage) by supplying a ua (aka User-Agent) value that only specifies the product and version.

Recommendation

No fix is available yet. Followings are affected versions:

• <= 1.4.14

References

• GHSA-p2c4-gxp4-j3xp
• CVE-2021-34801
• CWE-94
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• Regular Expression Denial of Service (ReDoS) in ua-parser-js - CVE-2021-27292
• Regular expression Denial of Service in multiple packages - CVE-2021-21391
• semver-regex Regular Expression Denial of Service (ReDOS) - CVE-2021-3795
• Regular Expression Denial of Service (ReDOS) - color-string - CVE-2021-29060

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How to Secure your NodeJs Express Javascript Application - part 1

How to Secure your NodeJs Express Javascript Application - part 2

10 Secure Coding Best Practices to Follow in Every Project

Tags:

npm

valine