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Vulnerability DatabaseCVE-2023-36109

CVE-2023-36109: 
Homebrew vulnerability analysis and mitigation

Overview

Buffer Overflow vulnerability in JerryScript version 3.0 allows remote attackers to execute arbitrary code via the ecma_stringbuilder_append_raw component located at /jerry-core/ecma/base/ecma-helpers-string.c. The vulnerability was disclosed on September 20, 2023, and received a CVSS v3.1 base score of 9.8 (Critical) (NVD).

Technical details

The vulnerability exists in the ecma_stringbuilder_append_raw function within JerryScript's string handling component. When processing certain string operations, the function can trigger a buffer overflow condition due to improper boundary checking. This was confirmed through Address Sanitizer testing which revealed memory overlap issues in the affected ranges (GitHub Issue). The vulnerability has been assigned CWE-120 (Buffer Copy without Checking Size of Input) classification (NVD).

Impact

The vulnerability allows attackers to execute arbitrary code remotely without requiring privileges or user interaction. Given its critical CVSS score of 9.8, successful exploitation could lead to complete system compromise with high impacts on confidentiality, integrity, and availability of the affected system (NVD).

Additional resources

Source: This report was generated using AI

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