Learn about CVE-2018-11615, a critical vulnerability in npm mosca 2.8.1 allowing remote denial of service without authentication. Find mitigation steps and affected versions here.
CVE-2018-11615, published on 2018-08-30, addresses a vulnerability in npm mosca 2.8.1 that allows attackers to remotely deny service without authentication. The flaw is related to improper input validation in topic processing, enabling a crafted regular expression to crash the broker.
Understanding CVE-2018-11615
This CVE entry highlights a critical vulnerability in npm mosca 2.8.1 that can be exploited by attackers to disrupt services without the need for authentication.
What is CVE-2018-11615?
The vulnerability in npm mosca 2.8.1 allows attackers to crash the broker by manipulating topics with a carefully crafted regular expression, leading to a denial of service without requiring authentication.
The Impact of CVE-2018-11615
Exploiting this vulnerability can result in a complete denial of service, blocking access to the targeted system without the need for authentication.
Technical Details of CVE-2018-11615
This section delves into the technical aspects of the vulnerability in npm mosca 2.8.1.
Vulnerability Description
The vulnerability stems from improper input validation in the processing of topics, allowing attackers to crash the broker using a specially crafted regular expression.
Affected Systems and Versions
Exploitation Mechanism
Attackers can exploit this vulnerability by sending malicious requests containing carefully crafted regular expressions to the targeted system, causing the broker to crash.
Mitigation and Prevention
To address CVE-2018-11615 and enhance system security, consider the following mitigation strategies:
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Ensure that npm mosca is updated to a secure version that addresses the vulnerability to prevent exploitation.