PT-2018-15291 · Espruino · Espruino

Dawnyang-Cn · Published 2018-12-18 · Updated 2019-10-03 · CVE-2018-20201

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Espruino version 2V00

Description The issue is related to a stack-based buffer over-read in the jsfNameFromString function, located in the jsflash.c file. This can lead to a denial of service or potentially other unspecified impacts when a crafted js file is used.

Recommendations For Espruino version 2V00, consider avoiding the use of crafted js files until a patch is available. As a temporary workaround, restricting access to the jsfNameFromString function may help minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2018-20201

Affected Products

Espruino

References · 3

• 🔥 https://github.com/espruino/Espruino/issues/1587 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-20201 · Security Note
• https://osv.dev/vulnerability/CVE-2018-20201 · Vendor Advisory