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MitreCVE-2021-46170

HistoryJan 14, 2022 - 9:15 p.m.

CVE-2021-46170

2022-01-1421:15:08

CWE-416

mitre

web.nvd.nist.gov

cve-2021-46170

issue

jerryscript

use-after-free

lexer_compare_identifier_to_string

js-lexer.c

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

41.1%

JSON

An issue was discovered in JerryScript commit a6ab5e9. There is an Use-After-Free in lexer_compare_identifier_to_string in js-lexer.c file.

Affected configurations

Nvd

Node

jerryscriptjerryscriptMatch2.3.0

VendorProductVersionCPE
jerryscriptjerryscript2.3.0cpe:2.3:a:jerryscript:jerryscript:2.3.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
jerryscript	jerryscript	2.3.0	cpe:2.3:a:jerryscript:jerryscript:2.3.0:::::::*

References

github.com/jerryscript-project/jerryscript/issues/4917

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

41.1%

JSON

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