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Debian Security Bug TrackerDEBIANCVE:CVE-2021-42863

HistoryMay 12, 2022 - 1:15 p.m.

CVE-2021-42863

2022-05-1213:15:07

Debian Security Bug Tracker

security-tracker.debian.org

cve-2021-42863

jerryscript

buffer overflow

ecma_builtin_typedarray_prototype_filter

fake object

fake arraybuffer

unlimited size

unix

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

51.6%

JSON

A buffer overflow in ecma_builtin_typedarray_prototype_filter() in JerryScript version fe3a5c0 allows an attacker to construct a fake object or a fake arraybuffer with unlimited size.

OSVersionArchitecturePackageVersionFilename
Debian11alliotjs<= 1.0+715-1iotjs_1.0+715-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	11	all	iotjs	<= 1.0+715-1	iotjs_1.0+715-1_all.deb

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

51.6%

JSON

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