PT-2020-6420 · Unknown · Jerryscript

Chong · Published 2020-06-07 · Updated 2021-06-16 · CVE-2020-23323

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-buffer-overflow in the re parse char escape function of the re-parser.c component in JerryScript. This could allow a remote attacker to access confidential data, compromise its integrity, and cause a denial of service. The estimated number of potentially affected devices worldwide is not specified.

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

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2021-04640

CVE-2020-23323

Affected Products

Jerryscript

References · 9

• 🔥 https://github.com/jerryscript-project/jerryscript/issues/3871 · Exploit
• https://bdu.fstec.ru/vul/2021-04640 · Security Note
• https://cve.org/CVERecord?id=CVE-2020-23323 · Security Note
• https://osv.dev/vulnerability/CVE-2020-23323 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-23323 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-23323 · Security Note
• https://ubuntu.com/security/CVE-2020-23323 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-23323 · Vendor Advisory
• https://t.me/cvenotify/16127 · Telegram Post