Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2020-23323
CVE-2020-23323:
Homebrew vulnerability analysis and mitigation
Overview
CVE-2020-23323 is a heap-buffer-overflow vulnerability discovered in JerryScript version 2.2.0. The vulnerability specifically affects the reparsechar_escape function in the re-parser.c file. The issue was reported on June 7, 2020 (GitHub Issue).
Technical details
The vulnerability occurs in the reparsechar_escape function at line 615 of jerry-core/parser/regexp/re-parser.c. The issue manifests when processing regular expressions with specific Unicode escape sequences. The proof of concept that triggers this vulnerability involves executing the following code: new RegExp('"\u', 'u').exec(1). When executed, it causes a heap-buffer-overflow READ of size 1 (GitHub Issue).
Impact
The vulnerability allows for a heap-buffer-overflow condition, which could potentially lead to memory corruption. This type of vulnerability could be exploited to cause program crashes or potentially lead to arbitrary code execution (GitHub Issue).
Additional resources
Source: This report was generated using AI
Related Homebrew vulnerabilities:
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