CVE-2018-6191 Explained : Impact and Mitigation
Learn about CVE-2018-6191, an integer overflow vulnerability in Artifex MuJS up to version 1.0.2, potentially allowing arbitrary code execution or denial of service attacks. Find mitigation steps and patching information here.
Artifex MuJS up to version 1.0.2 is affected by an integer overflow vulnerability in the js_strtod function, leading to improper validation of exponents.
Understanding CVE-2018-6191
An overview of the vulnerability and its impact.
What is CVE-2018-6191?
The vulnerability involves an integer overflow in the js_strtod function within the jsdtoa.c file in Artifex MuJS up to version 1.0.2 due to incorrect exponent validation.
The Impact of CVE-2018-6191
The vulnerability could be exploited by attackers to potentially execute arbitrary code or cause a denial of service (DoS) condition on affected systems.
Technical Details of CVE-2018-6191
Exploring the technical aspects of the vulnerability.
Vulnerability Description
The integer overflow occurs in the js_strtod function within the jsdtoa.c file in Artifex MuJS up to version 1.0.2 due to improper validation of exponents.
Affected Systems and Versions
- Product: Artifex MuJS
- Versions affected: Up to version 1.0.2
Exploitation Mechanism
Attackers can exploit this vulnerability to trigger the integer overflow, potentially leading to arbitrary code execution or a DoS condition.
Mitigation and Prevention
Measures to mitigate the impact of CVE-2018-6191.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor vendor communications for updates and advisories.
Long-Term Security Practices
- Regularly update software and systems to the latest versions.
- Implement secure coding practices to prevent similar vulnerabilities.
Patching and Updates
Ensure timely installation of patches and updates released by Artifex for MuJS to address the integer overflow vulnerability.