CVE-2021-46322 : Vulnerability Insights and Analysis
Learn about CVE-2021-46322, a SEGV vulnerability in Duktape v2.99.99, potentially leading to DoS or code execution. Find out how to mitigate and prevent this security issue.
Duktape v2.99.99 was discovered to contain a SEGV vulnerability via the component duk_push_tval in duktape/duk_api_stack.c.
Understanding CVE-2021-46322
What is CVE-2021-46322?
CVE-2021-46322 is a SEGV vulnerability found in Duktape v2.99.99 due to an issue in the component duk_push_tval in duktape/duk_api_stack.c.
The Impact of CVE-2021-46322
The vulnerability could potentially lead to a denial of service (DoS) or arbitrary code execution.
Technical Details of CVE-2021-46322
Vulnerability Description
The vulnerability is caused by a flaw in the handling of certain values within the Duktape library, allowing an attacker to trigger a segmentation fault.
Affected Systems and Versions
- Vendor: n/a
- Product: n/a
- Versions: All versions of Duktape v2.99.99 are affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a specially designed input that triggers the flaw in the duk_push_tval component.
Mitigation and Prevention
Immediate Steps to Take
- Apply the security update provided by the Duktape project.
- Monitor official sources for any additional patches or security advisories.
Long-Term Security Practices
- Regularly update the Duktape library and other dependencies to the latest versions.
- Conduct security assessments and code reviews to identify and address vulnerabilities.
Patching and Updates
It is essential to apply the security update released by the Duktape project to mitigate the CVE-2021-46322 vulnerability.