CVE-2021-46477 : Vulnerability Insights and Analysis
Discover the Jsish v3.5.0 vulnerability with a heap buffer overflow in RegExp_constructor, potentially leading to a Denial of Service (DoS) risk. Learn about impact, affected systems, exploitation mechanism, and mitigation steps.
Jsish v3.5.0 has been found to have a heap buffer overflow vulnerability in RegExp_constructor in src/jsiRegexp.c, potentially leading to a Denial of Service (DoS).
Understanding CVE-2021-46477
Jsish v3.5.0 vulnerability impacting RegExp_constructor
What is CVE-2021-46477?
This CVE refers to a heap buffer overflow vulnerability in Jsish v3.5.0 through RegExp_constructor in src/jsiRegexp.c, which could result in a Denial of Service.
The Impact of CVE-2021-46477
- The vulnerability can lead to a Denial of Service (DoS) attack.
Technical Details of CVE-2021-46477
Jsish v3.5.0 vulnerability specifics
Vulnerability Description
Jsish v3.5.0 contains a heap buffer overflow through RegExp_constructor in src/jsiRegexp.c, posing a DoS risk.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Version: n/a (affected)
Exploitation Mechanism
The vulnerability arises in RegExp_constructor in src/jsiRegexp.c, enabling potential attackers to trigger a heap buffer overflow.
Mitigation and Prevention
Measures to address CVE-2021-46477
Immediate Steps to Take
- Apply security patches provided by the vendor once available.
- Monitor for any unusual activities that could indicate exploitation of the vulnerability.
Long-Term Security Practices
- Regularly update software components to prevent vulnerabilities.
- Employ strong input validation mechanisms to mitigate buffer overflow risks.
Patching and Updates
- Stay informed about security advisories and updates related to this vulnerability to apply patches promptly.