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Ubuntu.comUB:CVE-2021-46170

HistoryJan 14, 2022 - 12:00 a.m.

CVE-2021-46170

2022-01-1400:00:00

ubuntu.com

cve-2021-46170

jerryscript

issue discovered

use-after-free

lexer_compare_identifier_to_string

js-lexer.c

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.

Bugs

<https://github.com/jerryscript-project/jerryscript/issues/4917>

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchiotjs< anyUNKNOWN
ubuntu22.04noarchiotjs< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	iotjs	< any	UNKNOWN
ubuntu	22.04	noarch	iotjs	< any	UNKNOWN

References

launchpad.net/bugs/cve/CVE-2021-46170

nvd.nist.gov/vuln/detail/CVE-2021-46170

security-tracker.debian.org/tracker/CVE-2021-46170

www.cve.org/CVERecord?id=CVE-2021-46170

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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