CVE-2021-43453

A Heap-based Buffer Overflow vulnerability exists in JerryScript 2.4.0 and prior versions via an out-of-bounds read in parser_parse_for_statement_start in the js-parser-statm.c file. This issue is similar to CVE-2020-29657.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/jerryscript-project/jerryscript/issues/4754	Exploit Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:jerryscript:jerryscript:*:*:*:*:*:*:*:*

History

08 Aug 2023, 14:21

Type	Values Removed	Values Added
CWE	~~CWE-787~~	CWE-125

14 Apr 2022, 15:45

Type	Values Removed	Values Added
References	~~(MISC) https://github.com/jerryscript-project/jerryscript/issues/4754 -~~	(MISC) https://github.com/jerryscript-project/jerryscript/issues/4754 - Exploit, Issue Tracking, Third Party Advisory
CPE		cpe:2.3:a:jerryscript:jerryscript::::::::
First Time		Jerryscript Jerryscript jerryscript
CWE		CWE-787
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8

07 Apr 2022, 21:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-04-07 21:15

Updated : 2023-12-10 14:22

NVD link : CVE-2021-43453

Mitre link : CVE-2021-43453

CVE.ORG link : CVE-2021-43453

JSON object : View

Products Affected

jerryscript

jerryscript

CWE

CWE-125

Out-of-bounds Read

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