PT-2020-6406 · Unknown · Jerryscript

Owl337 · Published 2020-05-17 · Updated 2021-06-15 · CVE-2020-23302

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions JerryScript version 2.2.0

Description The issue is related to a heap-use-after-free in the ecma ref ecma string function at ecma-helpers-string.c:772. This can allow a remote attacker to access confidential data, compromise data integrity, and cause a denial of service.

Recommendations For JerryScript version 2.2.0, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2021-04626

CVE-2020-23302

Affected Products

Jerryscript

References · 9

• 🔥 https://github.com/jerryscript-project/jerryscript/issues/3748 · Exploit
• https://osv.dev/vulnerability/CVE-2020-23302 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-23302 · Security Note
• https://bdu.fstec.ru/vul/2021-04626 · Security Note
• https://cve.org/CVERecord?id=CVE-2020-23302 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2020-23302 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-23302 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-23302 · Vendor Advisory
• https://github.com/jerryscript-project/jerryscript/pull/3765 · Note