CVE-2021-46503 : Security Advisory and Response
Learn about CVE-2021-46503 impacting Jsish v3.5.0. This heap-use-after-free vulnerability may lead to a DoS attack. Find out how to mitigate and prevent exploitation.
Jsish v3.5.0 contains a heap-use-after-free vulnerability that may lead to a Denial of Service (DoS) attack.
Understanding CVE-2021-46503
Jsish v3.5.0 vulnerability impacting /usr/lib/x86_64-linux-gnu/libasan.so.4+0x79732.
What is CVE-2021-46503?
Jsish v3.5.0 has a heap-use-after-free issue that attackers can exploit for a DoS attack.
The Impact of CVE-2021-46503
- Exploitation of this vulnerability can result in a Denial of Service (DoS) attack.
Technical Details of CVE-2021-46503
Jsish v3.5.0 vulnerability details.
Vulnerability Description
Jsish v3.5.0 contains a heap-use-after-free vulnerability via /usr/lib/x86_64-linux-gnu/libasan.so.4+0x79732.
Affected Systems and Versions
- Affected Version: Jsish v3.5.0
Exploitation Mechanism
- Attackers can trigger the vulnerability leading to a DoS attack.
Mitigation and Prevention
Steps to mitigate CVE-2021-46503.
Immediate Steps to Take
- Update Jsish to a patched version.
- Monitor for any unusual activity that could indicate a DoS attack.
Long-Term Security Practices
- Implement secure coding practices to avoid memory-related vulnerabilities.
Patching and Updates
- Apply official patches provided by Jsish to fix this vulnerability.