PT-2018-6740 · Jerryscript · Jerryscript

Zhunkio · Published 2018-03-01 · Updated 2019-10-03 · CVE-2017-18212

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 1.0

Description: An issue was discovered in the lit read code unit from hex function in lit/lit-char-helpers.c, which can be exploited via a RegExp("[x0") payload, resulting in a heap-based buffer over-read.

Recommendations: For JerryScript version 1.0, consider restricting the use of the lit read code unit from hex function until a patch is available. Avoid using the RegExp("[x0") payload in the affected function to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2017-18212

Affected Products

Jerryscript

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2017-18212 · Security Note
• https://ubuntu.com/security/CVE-2017-18212 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-18212 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-18212 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-18212 · Vendor Advisory
• https://github.com/jerryscript-project/jerryscript/issues/2140 · Note