CVE-2021-46502 : Vulnerability Insights and Analysis
Learn about CVE-2021-46502 affecting Jsish v3.5.0 with a heap-use-after-free vulnerability leading to Denial of Service (DoS). Find mitigation steps and long-term security practices.
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-2021-46502
What is CVE-2021-46502?
Jsish v3.5.0 has a heap-use-after-free vulnerability via /usr/lib/x86_64-linux-gnu/libasan.so.4+0x5166d, potentially resulting in a DoS.
The Impact of CVE-2021-46502
This vulnerability could allow an attacker to cause a Denial of Service on affected systems.
Technical Details of CVE-2021-46502
Vulnerability Description
The vulnerability in Jsish v3.5.0 allows for a heap-use-after-free attack via a specific library path, potentially triggering a DoS condition.
Affected Systems and Versions
- Affected Version: Jsish v3.5.0
Exploitation Mechanism
The vulnerability can be exploited by manipulating the specified library path, leading to a heap-use-after-free condition and potentially triggering a DoS.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by the vendor once available
- Monitor official sources for updates and advisories
Long-Term Security Practices
- Regularly update software and libraries to patched versions
- Implement security best practices to prevent and detect heap-use-after-free vulnerabilities
Patching and Updates
- Keep software up to date with the latest patches and security fixes