CVE-2023-26115 : What You Need to Know
Learn about CVE-2023-26115, a vulnerability in word-wrap leading to ReDoS attacks. Includes impact, affected systems, exploitation, and mitigation steps.
This CVE-2023-26115 focuses on a vulnerability found in the package word-wrap, leading to Regular Expression Denial of Service (ReDoS) due to the usage of an insecure regular expression within the result variable.
Understanding CVE-2023-26115
This section delves into the details of CVE-2023-26115, shedding light on the vulnerability's impact, technical aspects, and mitigation strategies.
What is CVE-2023-26115?
CVE-2023-26115 is a vulnerability in all versions of the package word-wrap, creating a risk of Regular Expression Denial of Service (ReDoS) due to the presence of an insecure regular expression within the result variable.
The Impact of CVE-2023-26115
The impact of CVE-2023-26115 lies in its potential to be exploited by malicious entities to launch ReDoS attacks, causing a disruption in the availability of the affected systems. This vulnerability is rated with a base severity of "MEDIUM" based on the CVSS v3.1 metrics.
Technical Details of CVE-2023-26115
In this section, we will delve into the specific technical aspects of CVE-2023-26115, including the vulnerability description, affected systems, and the exploitation mechanism.
Vulnerability Description
The vulnerability in word-wrap arises from the usage of an insecure regular expression within the result variable, paving the way for ReDoS attacks to be carried out on affected systems.
Affected Systems and Versions
The impacted products include word-wrap and org.webjars.npm:word-wrap, with all versions being susceptible to this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious input that triggers the insecure regular expression in the result variable, leading to a ReDoS scenario and impacting system availability.
Mitigation and Prevention
Mitigating the risks associated with CVE-2023-26115 requires immediate actions as well as long-term security practices to safeguard systems from potential ReDoS attacks.
Immediate Steps to Take
Immediate steps to address CVE-2023-26115 involve updating the affected packages to non-vulnerable versions, if available, and implementing input validation mechanisms to prevent malicious input from triggering the vulnerable regular expression.
Long-Term Security Practices
Long-term security practices should encompass regular security assessments, code reviews, and staying informed about potential vulnerabilities in third-party packages to proactively address and mitigate security risks.
Patching and Updates
The providers of the affected packages should release patches that address the insecure regular expression issue to protect users from ReDoS attacks. It is imperative for users to apply these updates promptly to enhance the security posture of their systems.