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Vulnerability DatabaseCVE-2021-46349

CVE-2021-46349: 
Homebrew vulnerability analysis and mitigation

Overview

There is an assertion failure vulnerability in JerryScript version 3.0.0, identified as CVE-2021-46349. The vulnerability was discovered on January 20, 2022, and affects the ecma-objects.c file in the jerry-core/ecma/operations directory. The vulnerability is triggered when the assertion 'type ECMAOBJECTTYPE_GENERAL || type ECMAOBJECTTYPE_PROXY' fails at line 3020 (GitHub Issue).

Technical details

The vulnerability is characterized by an assertion failure in the ecmaobjectgetclassname function. It has a CVSS v3 Base Score of 5.5 (Medium), with an Impact Score of 3.6 and Exploitability Score of 1.8. The attack vector is Local (AV:L), with Low attack complexity (AC:L), requiring No privileges (PR:N) and User interaction (UI:R). The scope is Unchanged (S:U), with No impact on Confidentiality (C:N) and Integrity (I:N), but High impact on Availability (A:H) (AttackerKB).

Impact

The vulnerability primarily affects system availability, as indicated by the CVSS metrics showing High impact on Availability while having no direct impact on Confidentiality or Integrity. When triggered, it causes the application to abort execution due to the assertion failure (AttackerKB).

Additional resources

Source: This report was generated using AI

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