CVE-2021-46494 : Exploit Details and Defense Strategies
Learn about CVE-2021-46494, a vulnerability in Jsish v3.5.0 that can lead to a Denial of Service (DoS) attack. Find mitigation steps and long-term security practices.
Jsish v3.5.0 contains a heap-use-after-free vulnerability that can result in a Denial of Service (DoS).
Understanding CVE-2021-46494
What is CVE-2021-46494?
CVE-2021-46494 is a vulnerability found in Jsish v3.5.0 that allows for a heap-use-after-free through jsi_ValueLookupBase in src/jsiValue.c, potentially leading to a Denial of Service (DoS).
The Impact of CVE-2021-46494
This vulnerability can be exploited to trigger a DoS condition on the affected system, potentially disrupting service availability.
Technical Details of CVE-2021-46494
Vulnerability Description
Jsish v3.5.0 is susceptible to a heap-use-after-free issue that arises from jsi_ValueLookupBase in src/jsiValue.c.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Version: n/a
Exploitation Mechanism
The vulnerability can be exploited by an attacker to execute arbitrary code leading to a DoS condition on the target system.
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor-supplied patches or updates promptly.
- Monitor official sources for security advisories related to Jsish.
Long-Term Security Practices
- Implement secure coding practices to prevent memory-related vulnerabilities.
- Conduct regular security assessments and audits of the system.
Patching and Updates
Update Jsish to a non-vulnerable version to mitigate the risk of exploitation.