CVE-2023-30087 : Vulnerability Insights and Analysis
CVE-2023-30087 enables a local attacker to exploit a Buffer Overflow vulnerability in Cesanta MJS v.1.26, leading to denial of service. Learn about the impact, technical details, and mitigation steps.
A Buffer Overflow vulnerability has been identified in Cesanta MJS v.1.26, allowing a local attacker to trigger a denial of service through the mjs_mk_string function in mjs.c.
Understanding CVE-2023-30087
This section provides an overview of the CVE-2023-30087 vulnerability and its impact.
What is CVE-2023-30087?
CVE-2023-30087 is a Buffer Overflow vulnerability found in Cesanta MJS v.1.26, enabling a local attacker to disrupt services by leveraging the mjs_mk_string function in mjs.c.
The Impact of CVE-2023-30087
The impact of this vulnerability includes the risk of a denial of service attack initiated by a malicious local actor, potentially causing system instability.
Technical Details of CVE-2023-30087
Delve into the technical aspects of CVE-2023-30087 to understand the vulnerability further.
Vulnerability Description
The Buffer Overflow vulnerability arises due to improper handling of data within the mjs_mk_string function in mjs.c, granting an attacker the ability to crash the system.
Affected Systems and Versions
All instances of Cesanta MJS v.1.26 are affected by CVE-2023-30087, exposing systems with this version to the risk of exploitation.
Exploitation Mechanism
Exploiting this vulnerability involves manipulating input data to trigger a buffer overflow, leading to a denial of service condition within the application.
Mitigation and Prevention
Discover the necessary steps to mitigate the risks posed by CVE-2023-30087 and prevent potential exploitation.
Immediate Steps to Take
Immediately apply security patches or updates provided by Cesanta to address the vulnerability in Cesanta MJS v.1.26 and prevent exploitation.
Long-Term Security Practices
Implement secure coding practices, regular security audits, and monitoring to enhance the overall security posture and prevent future vulnerabilities.
Patching and Updates
Stay informed about security advisories from Cesanta and promptly apply patches and updates to ensure the protection of systems against known vulnerabilities.