CVE-2024-21502
7.5 · HIGHOverview
CVE-2024-21502 is a high-severity vulnerability affecting antonkueltz fastecdsa. It was published on February 24, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Versions of the package fastecdsa before 2.3.2 are vulnerable to Use of Uninitialized Variable on the stack, via the curvemath_mul function in src/curveMath.c, due to being used and interpreted as user-defined type. Depending on the variable's actual value it could be arbitrary free(), arbitrary realloc(), null pointer dereference and other. Since the stack can be controlled by the attacker, the vulnerability could be used to corrupt allocator structure, leading to possible heap exploitation. The attacker could cause denial of service by exploiting this vulnerability.
Remediation
Check the references section for vendor advisories and patches from antonkueltz. Update fastecdsa to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| antonkueltz | fastecdsa | >= 0, < 2.3.2 | Affected |
References
Frequently Asked Questions
What is CVE-2024-21502?
CVE-2024-21502 is a high-severity vulnerability affecting antonkueltz fastecdsa. It was published on February 24, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2024-21502?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2024-21502?
Check the references section for vendor advisories and patches from antonkueltz. Update fastecdsa to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2024-21502?
CyberStrike's AI-powered security agents can automatically detect CVE-2024-21502 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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