PT-2022-12602 · Unknown · Jerryscript

Aidaipop · Published 2022-01-14 · Updated 2022-01-21 · CVE-2021-46170

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions JerryScript version a6ab5e9

Description An issue was discovered in the js-lexer.c file, specifically in the lexer compare identifier to string function, where there is a Use-After-Free.

Recommendations For JerryScript version a6ab5e9, consider restricting access to the lexer compare identifier to string function in the js-lexer.c file as a temporary mitigation measure until a patch is available. 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

CVE-2021-46170

Affected Products

Jerryscript

References · 7

• 🔥 https://github.com/jerryscript-project/jerryscript/issues/4917 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-46170 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-46170 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-46170 · Security Note
• https://osv.dev/vulnerability/CVE-2021-46170 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-46170 · Vendor Advisory
• https://t.me/cibsecurity/35628 · Telegram Post