What is CVE-2018-20201?

CVE-2018-20201 is a high-severity vulnerability in Pur3 Espruino, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2018-12-18.

How severe is CVE-2018-20201?

High severity. CVSS v3 base score is 7.8 out of 10.

Out-of-bounds Read in Pur3 Espruino

CVE-2018-20201

There is a stack-based buffer over-read in the jsfNameFromString function of jsflash.c in Espruino 2V00, leading to a denial of service or possibly unspecified other impact via a crafted js file.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (61.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Pur3 Espruino — versions 2.00
N/a — versions n/a

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-20201?: CVE-2018-20201 is a high-severity vulnerability in Pur3 Espruino, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2018-12-18.
How severe is CVE-2018-20201?: High severity. CVSS v3 base score is 7.8 out of 10.