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Vulnerability DatabaseCVE-2021-24044
CVE-2021-24044:
JavaScript vulnerability analysis and mitigation
Overview
A type confusion vulnerability (CVE-2021-24044) was discovered in Hermes versions prior to v0.10.0. The vulnerability occurs when invalid JavaScript code calls await and yield on non-async and non-generator getter/setter functions (NVD).
Technical details
The vulnerability is classified as CWE-843 (Access of Resource Using Incompatible Type - 'Type Confusion'). It received a CVSS v3.1 Base Score of 9.8 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, and a CVSS v2.0 Base Score of 7.5 (HIGH) with vector string (AV:N/AC:L/Au:N/C:P/I:P/A:P) (NVD).
Impact
When exploited, this vulnerability can result in a segmentation fault due to type confusion error, with a potential for Remote Code Execution (RCE) (NVD).
Mitigation and workarounds
The vulnerability has been fixed in Hermes version v0.10.0. Users should upgrade to this version or later to mitigate the risk (NVD).
Additional resources
Source: This report was generated using AI
Related JavaScript vulnerabilities:
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