PT-2023-11642 · Espruino · Espruino

Dongzhuo Zhao · Published 2023-04-04 · Updated 2023-04-10 · CVE-2020-23257

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 Espruino version 2v05.41

Description A Buffer Overflow issue allows an attacker to cause a denial of service via the function jsvGarbageCollectMarkUsed in file src/jsvar.c.

Recommendations For Espruino version 2v05.41, consider disabling the jsvGarbageCollectMarkUsed function as a temporary workaround until a patch is available.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2020-23257

Affected Products

Espruino

References · 5

• 🔥 https://github.com/espruino/Espruino/issues/1820 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-23257 · Security Note
• http://espruino.com · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-23257 · Vendor Advisory
• https://t.me/cvenotify/47903 · Telegram Post