CVE-2024-9506: Vue 2 ReDoS Vulnerability Details and Mitigation

A low-severity vulnerability has been identified in Vue 2: CVE-2024-9506. This vulnerability affects the Vue 2 compiler and can lead to a Regular Expression Denial of Service (ReDoS) attack when improperly written regex is triggered by specific template strings.

CVE-2024-9506

This vulnerability affects Vue versions:

• >= 2.0.0 < 3.0.0

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Vulnerability Details

The ReDoS issue arises in Vue’s parseHTML() function within the following components:

• compiler-sfc
• server-renderer
• template-compiler
• vue-template-compiler
• vue-server-renderer

The vulnerability occurs when a template string contains <script>, <style>, or <textarea> tags without a matching closing tag. The flawed regex handling in parseHTML() can be exploited to cause significant delays in template parsing.

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Mitigation for CVE-2024-9506

A fix for the CVE-2024-9506 vulnerability is available in Vue NES (2.6.18+, 2.7.20+). Users are advised to take the following actions to secure their applications:

• Migrate to Vue 3 to leverage the improved security and performance.
• For those who cannot migrate, adopt Vue NES from HeroDevs, which provides ongoing security patches and support for end-of-life Vue 2 versions.

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Why Upgrade with HeroDevs?

HeroDevs offers long-term support for Vue 2, including critical security updates for vulnerabilities like CVE-2024-9506. With Vue 2 NES, businesses can ensure that their legacy Vue applications remain secure, compliant, and up-to-date.

Key benefits of Vue NES include:

• Security Updates: Regular patches for vulnerabilities like CVE-2024-9506.
• Drop-in Replacements: Simple, seamless integration with existing Vue 2 projects.
• Compliance Assurance: Meeting regulatory standards for secure software.
• Expert Support: Backed by a team specializing in legacy technologies.

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Conclusion

The CVE-2024-9506 vulnerability in Vue 2 poses a risk by allowing ReDoS attacks through improper regex handling. To protect your applications, immediate action is recommended. For those still using end-of-life Vue 2 versions, HeroDevs’ Vue 2 NES offers a reliable, long-term solution to maintain the security of your software.

Contact HeroDevs today to learn more about securing your Vue applications with Vue NES.