PT-2021-23447 · Mruby · Mruby

Published 2021-12-30 · Updated 2022-01-06 · CVE-2021-4188

Positive Technologies (AI Summary)

CVSS v3.1

6.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions mruby (affected versions not specified)

Description The issue is related to a NULL Pointer Dereference. There is no information provided about the estimated number of potentially affected devices worldwide or real-world incidents where this issue was exploited.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2021-4188

Affected Products

Mruby

References · 9

• 🔥 https://huntr.dev/bounties/78533fb9-f3e0-47c2-86dc-d1f96d5bea28 · Exploit
• https://github.com/mruby/mruby/commit/27d1e0132a0804581dca28df042e7047fd27eaa8 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-4188 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-4188 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-4188 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-4188 · Security Note
• https://osv.dev/vulnerability/CVE-2021-4188 · Vendor Advisory
• https://t.me/cvenotify/25063 · Telegram Post
• https://t.me/cibsecurity/34750 · Telegram Post