CVE-2017-15871 Explained : Impact and Mitigation
Learn about CVE-2017-15871, a vulnerability in serialize-to-js library versions up to 1.1.1 that allows attackers to trigger a denial of service attack by exploiting the deserialize function.
CVE-2017-15871 was published on October 24, 2017, and involves a vulnerability in the serialize-to-js library that can be exploited by attackers to trigger a denial of service. The issue lies in the deserialize function of versions up to 1.1.1, allowing attackers to execute malicious code.
Understanding CVE-2017-15871
The vulnerability in serialize-to-js library versions up to 1.1.1 can lead to a denial of service attack by leveraging the deserialize function.
What is CVE-2017-15871?
The CVE-2017-15871 vulnerability allows attackers to exploit the deserialize function in serialize-to-js library versions up to 1.1.1, enabling them to trigger a denial of service attack.
The Impact of CVE-2017-15871
Attackers can utilize an Immediately Invoked Function Expression with specific substrings to cause a denial of service, potentially leading to service disruption and system unavailability.
Technical Details of CVE-2017-15871
The technical aspects of the CVE-2017-15871 vulnerability provide insight into the affected systems, exploitation mechanism, and mitigation strategies.
Vulnerability Description
The deserialize function in serialize-to-js versions up to 1.1.1 can be abused by attackers to execute malicious code, leading to a denial of service.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: Up to 1.1.1
Exploitation Mechanism
- Attackers can trigger a denial of service by using an Immediately Invoked Function Expression with specific substrings, such as creating a basic infinite loop or invoking a malicious function.
Mitigation and Prevention
Protecting systems from CVE-2017-15871 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update the serialize-to-js library to a patched version that addresses the vulnerability.
- Implement input validation to prevent malicious code execution.
Long-Term Security Practices
- Regularly monitor and audit code for vulnerabilities.
- Educate developers on secure coding practices to prevent similar issues in the future.
Patching and Updates
- Apply patches and updates provided by the vendor to mitigate the CVE-2017-15871 vulnerability.