CVE-2021-44988 : Security Advisory and Response
Learn about CVE-2021-44988, a stack overflow vulnerability in Jerryscript v3.0.0 and below via ecma_find_named_property. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
Jerryscript v3.0.0 and below was discovered to contain a stack overflow vulnerability via ecma_find_named_property in ecma-helpers.c.
Understanding CVE-2021-44988
What is CVE-2021-44988?
Jerryscript v3.0.0 and below has a vulnerability that can lead to a stack overflow via a specific function in ecma-helpers.c.
The Impact of CVE-2021-44988
This vulnerability could potentially be exploited to execute arbitrary code or crash the application, posing a security risk to affected systems.
Technical Details of CVE-2021-44988
Vulnerability Description
The vulnerability in Jerryscript v3.0.0 and below allows for a stack overflow via ecma_find_named_property in ecma-helpers.c, providing an entry point for potential malicious activities.
Affected Systems and Versions
- Product: N/A
- Vendor: N/A
- Versions affected: Jerryscript v3.0.0 and below
Exploitation Mechanism
The vulnerability can be exploited by crafting specific inputs to trigger the stack overflow, potentially leading to unauthorized access or denial of service.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor for any unusual behavior or system crashes indicating exploitation attempts.
Long-Term Security Practices
- Conduct regular security assessments and code reviews to identify and remediate vulnerabilities.
- Implement least privilege access controls to limit the impact of potential exploits.
Patching and Updates
Regularly update software and follow best practices for secure coding to reduce the risk of future vulnerabilities.