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CVE-2018-18853 : Security Advisory and Response

CVE-2018-18853 involves a denial of service vulnerability in Lightbend Spray spray-json up to version 1.3.4, allowing remote attackers to disrupt services by consuming excessive resources. Learn about the impact, technical details, and mitigation steps.

Lightbend Spray spray-json up to version 1.3.4 is vulnerable to a denial of service attack due to high algorithmic complexity during the parsing of fields with many decimal digits.

Understanding CVE-2018-18853

This CVE involves a vulnerability in Lightbend Spray spray-json that can be exploited by remote attackers to disrupt services by consuming excessive resources.

What is CVE-2018-18853?

The vulnerability in Lightbend Spray spray-json up to version 1.3.4 allows remote attackers to cause a denial of service by exploiting high algorithmic complexity during the parsing of fields with numerous decimal digits.

The Impact of CVE-2018-18853

        Remote attackers can disrupt services by consuming excessive resources.

Technical Details of CVE-2018-18853

Lightbend Spray spray-json up to version 1.3.4 is susceptible to a denial of service vulnerability due to algorithmic complexity during field parsing.

Vulnerability Description

The vulnerability arises from the high algorithmic complexity when parsing a field with a large number of decimal digits.

Affected Systems and Versions

        Product: Lightbend Spray spray-json
        Versions affected: up to 1.3.4

Exploitation Mechanism

        Remote attackers exploit the vulnerability by triggering the high algorithmic complexity during field parsing.

Mitigation and Prevention

To address CVE-2018-18853, consider the following steps:

Immediate Steps to Take

        Update Lightbend Spray spray-json to a patched version.
        Monitor system resources for unusual consumption.

Long-Term Security Practices

        Regularly update software to mitigate known vulnerabilities.
        Implement network security measures to detect and prevent denial of service attacks.

Patching and Updates

        Apply patches provided by the vendor to fix the vulnerability.

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