CVE-2018-11598 : Security Advisory and Response

Espruino before version 1.99 is vulnerable to a denial of service attack and potential information disclosure due to buffer overflow or out-of-bounds read issues during syntax parsing of specific for loops in the jsparse.c module.

Understanding CVE-2018-11598

Espruino is susceptible to a denial of service attack and potential information disclosure.

What is CVE-2018-11598?

Espruino prior to version 1.99 is prone to a denial of service (DoS) attack and potential information disclosure when processing user input files containing crafted data. The vulnerability stems from buffer overflow or out-of-bounds read issues during the syntax parsing of specific for loops in the jsparse.c module.

The Impact of CVE-2018-11598

Attackers can cause a denial of service (application crash) and potential information disclosure by exploiting this vulnerability.

Technical Details of CVE-2018-11598

Espruino vulnerability details.

Vulnerability Description

Espruino before version 1.99 allows attackers to trigger a denial of service (DoS) and potential information disclosure using user-crafted input files through buffer overflow or out-of-bounds read during syntax parsing of certain for loops in jsparse.c.

Affected Systems and Versions

Product: N/A
Vendor: N/A
Versions affected: N/A

Exploitation Mechanism

The vulnerability can be exploited by processing user input files containing malicious data, leading to a buffer overflow or out-of-bounds read during the parsing of specific for loops in the jsparse.c module.

Mitigation and Prevention

Protect your systems from CVE-2018-11598.

Immediate Steps to Take

Update Espruino to version 1.99 or newer to mitigate the vulnerability.
Avoid processing user input files from untrusted sources.

Long-Term Security Practices

Regularly monitor for security updates and patches for Espruino.
Implement secure coding practices to prevent buffer overflow and out-of-bounds read vulnerabilities.

Patching and Updates

Apply patches and updates provided by Espruino to address the vulnerability.