CVE-2021-46550 : What You Need to Know
Learn about CVE-2021-46550 affecting Cesanta MJS v2.20.0 with a SEGV vulnerability in free_json_frame at src/mjs_json.c, potentially leading to a DoS attack. Find out the impact, technical details, and mitigation steps.
Cesanta MJS v2.20.0 has a SEGV vulnerability in free_json_frame at src/mjs_json.c, potentially leading to a Denial of Service (DoS).
Understanding CVE-2021-46550
This CVE involves a vulnerability in Cesanta MJS v2.20.0 that could result in a DoS attack.
What is CVE-2021-46550?
Cesanta MJS v2.20.0 contains a SEGV vulnerability in free_json_frame at src/mjs_json.c, enabling potential DoS attacks.
The Impact of CVE-2021-46550
The vulnerability in Cesanta MJS v2.20.0 may lead to a Denial of Service (DoS) attack.
Technical Details of CVE-2021-46550
This section provides technical details about the CVE.
Vulnerability Description
The vulnerability is in free_json_frame at src/mjs_json.c in Cesanta MJS v2.20.0, allowing for potential exploitation leading to a DoS.
Affected Systems and Versions
- Affected Product: n/a
- Affected Vendor: n/a
- Affected Version: n/a
Exploitation Mechanism
The vulnerability can be exploited through manipulating free_json_frame, potentially causing a DoS.
Mitigation and Prevention
Actions to address and prevent the CVE.
Immediate Steps to Take
- Monitor vendor updates for patches or mitigations.
- Consider temporary workarounds if no patch is available.
Long-Term Security Practices
- Regularly update software to the latest versions.
- Employ security tools to detect and mitigate DoS attacks.
Patching and Updates
Apply patches or updates from Cesanta to address the vulnerability.