CVE-2021-46484 : Exploit Details and Defense Strategies
Learn about CVE-2021-46484, a Jsish v3.5.0 vulnerability allowing a Denial of Service attack. Find mitigation steps and preventive measures to secure your systems.
Jsish v3.5.0 was discovered to contain a heap-use-after-free vulnerability that can lead to a Denial of Service (DoS).
Understanding CVE-2021-46484
What is CVE-2021-46484?
CVE-2021-46484 refers to a heap-use-after-free vulnerability in Jsish v3.5.0 via Jsi_IncrRefCount in src/jsiValue.c, posing a risk of DoS.
The Impact of CVE-2021-46484
This vulnerability could allow an attacker to trigger a DoS condition, potentially disrupting the availability of the affected system.
Technical Details of CVE-2021-46484
Vulnerability Description
Jsish v3.5.0 is susceptible to a heap-use-after-free via Jsi_IncrRefCount in src/jsiValue.c.
Affected Systems and Versions
- Affected Systems: Not applicable
- Affected Versions: Jsish v3.5.0
Exploitation Mechanism
The vulnerability can be exploited by an attacker to cause a heap-use-after-free condition, potentially leading to a DoS attack.
Mitigation and Prevention
Immediate Steps to Take
- Monitor for security advisories or patches from the vendor.
- Implement proper input validation to mitigate potential exploitation.
- Consider restricting network access to vulnerable systems.
Long-Term Security Practices
- Regularly update software and libraries to eliminate known vulnerabilities.
- Conduct security assessments and penetration testing to identify and address weaknesses.
- Educate users and administrators on security best practices.
Patching and Updates
Stay updated with vendor releases for security patches and promptly apply them to mitigate the risk of exploitation.