CVE-2021-46495 : What You Need to Know
Learn about the heap-use-after-free vulnerability in Jsish v3.5.0 via CVE-2021-46495 that could lead to a Denial of Service attack. Find mitigation steps and preventive measures.
Jsish v3.5.0 was discovered to contain a heap-use-after-free vulnerability that can lead to a Denial of Service (DoS) through DeleteTreeValue in src/jsiObj.c.
Understanding CVE-2021-46495
What is CVE-2021-46495?
CVE-2021-46495 is a heap-use-after-free vulnerability found in Jsish v3.5.0, which could result in a Denial of Service (DoS) attack.
The Impact of CVE-2021-46495
This vulnerability could allow an attacker to exploit the heap-use-after-free issue in Jsish v3.5.0, leading to a DoS condition.
Technical Details of CVE-2021-46495
Vulnerability Description
Jsish v3.5.0 is affected by a heap-use-after-free vulnerability via the DeleteTreeValue function in src/jsiObj.c, posing a significant risk of a DoS attack.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
An attacker can leverage this vulnerability by triggering the DeleteTreeValue function in src/jsiObj.c to perform a DoS attack.
Mitigation and Prevention
Immediate Steps to Take
- Consider upgrading to a patched version (if available).
- Monitor vendor security advisories for updates.
Long-Term Security Practices
- Implement secure coding practices to prevent memory-related vulnerabilities.
- Conduct regular security audits and code reviews.
- Stay informed about the latest security trends and vulnerabilities.
Patching and Updates
Apply patches provided by Jsish promptly to address the heap-use-after-free vulnerability.