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Ubuntu.comUB:CVE-2020-23302

HistoryJun 10, 2021 - 12:00 a.m.

CVE-2020-23302

2021-06-1000:00:00

ubuntu.com

security vulnerability

heap-use-after-free

jerryscript 2.2.0

ecma-helpers-string.c

cve-2020-23302

debian

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

0.003

Percentile

65.7%

JSON

There is a heap-use-after-free at ecma-helpers-string.c:772 in
ecma_ref_ecma_string in JerryScript 2.2.0

Bugs

<http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=989991>

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

github.com/jerryscript-project/jerryscript/issues/3748

github.com/jerryscript-project/jerryscript/pull/3765

launchpad.net/bugs/cve/CVE-2020-23302

nvd.nist.gov/vuln/detail/CVE-2020-23302

security-tracker.debian.org/tracker/CVE-2020-23302

www.cve.org/CVERecord?id=CVE-2020-23302

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

0.003

Percentile

65.7%

JSON

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