CVE-2023-31906 Explained : Impact and Mitigation

A detailed overview of the CVE-2023-31906 vulnerability in Jerryscript 3.0.0(commit 1a2c047) related to a heap-buffer-overflow.

Understanding CVE-2023-31906

The CVE-2023-31906 is a vulnerability identified in Jerryscript 3.0.0(commit 1a2c047) that allows a heap-buffer-overflow via a specific component.

What is CVE-2023-31906?

The CVE-2023-31906 relates to a heap-buffer-overflow issue discovered in Jerryscript 3.0.0(commit 1a2c047) due to a flaw in the component lexer_compare_identifier_to_chars at /jerry-core/parser/js/js-lexer.c.

The Impact of CVE-2023-31906

This vulnerability could be exploited by attackers to execute arbitrary code or cause a denial of service by crashing the application.

Technical Details of CVE-2023-31906

A deeper look into the technical aspects of the CVE-2023-31906 vulnerability in Jerryscript.

Vulnerability Description

The vulnerability allows for a heap-buffer-overflow, potentially leading to arbitrary code execution or denial of service.

Affected Systems and Versions

All instances of Jerryscript 3.0.0(commit 1a2c047) are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this issue by manipulating certain input to trigger the heap-buffer-overflow condition.

Mitigation and Prevention

Measures to mitigate and prevent the exploitation of CVE-2023-31906 in Jerryscript.

Immediate Steps to Take

Update Jerryscript to a patched version or apply vendor-supplied fixes.
Monitor network traffic for signs of exploitation.

Long-Term Security Practices

Regularly update software and dependencies to patched versions.
Conduct security audits and code reviews to identify vulnerabilities.

Patching and Updates

Keep abreast of security advisories and apply patches promptly to address known vulnerabilities.