PT-2023-11663 · Unknown · Jerryscript

Aurorainfinity · Published 2023-08-11 · Updated 2023-08-16 · CVE-2020-24187

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions jerryscript version 2.3.0

Description An issue in ecma-helpers.c allows local attackers to cause a denial of service (DoS) due to a Null Pointer Dereference. This issue enables local attackers to potentially disrupt service availability.

Recommendations For jerryscript version 2.3.0, update to a version that fixes the Null Pointer Dereference issue in ecma-helpers.c to prevent local attackers from causing a denial of service. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2020-24187

Affected Products

Jerryscript

References · 8

• 🔥 https://github.com/Aurorainfinity/Poc/tree/master/jerryscript/NULL-dereference-ecma_get_lex_env_type · Exploit
• https://github.com/jerryscript-project/jerryscript/issues/4076 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-24187 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-24187 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-24187 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-24187 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-24187 · Vendor Advisory
• https://twitter.com/CVEnew/status/1690263972027449344 · Twitter Post