PT-2022-12638 · Espruino · Espruino

Hope-Fly · Published 2022-01-20 · Updated 2022-01-27 · CVE-2021-46324

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 2v11.251

Description A stack buffer overflow was discovered in Espruino via src/jsvar.c in the jsvNewFromString function. This issue allows for potential exploitation.

Recommendations For Espruino version 2v11.251, consider restricting the use of the jsvNewFromString function until a patch is available. As a temporary workaround, avoid using the jsvNewFromString 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.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-46324

Affected Products

Espruino

References · 5

• 🔥 https://github.com/espruino/Espruino/issues/2121 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-46324 · Security Note
• https://osv.dev/vulnerability/CVE-2021-46324 · Vendor Advisory
• https://t.me/cibsecurity/35959 · Telegram Post
• https://t.me/cvenotify/25932 · Telegram Post