PT-2022-13708 · Mruby+1 · Mruby+1

Published 2022-04-02 · Updated 2023-01-17 · CVE-2022-1201

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions mruby versions prior to 3.2

Description The issue is related to a NULL Pointer Dereference in mrb vm exec with super, which can cause the mruby interpreter to crash. This affects the availability of the system.

Recommendations For versions prior to 3.2, update to version 3.2 or later to resolve the issue. As a temporary workaround, consider restricting the use of the mrb vm exec function with super until a patch is available.

Exploit

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

AZL-41093

CVE-2022-1201

Affected Products

Debian

Mruby

References · 14

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/1xxx/CVE-2022-1201.json · Exploit
• 🔥 https://huntr.dev/bounties/6f930add-c9d8-4870-ae56-d4bd8354703b · Exploit
• https://github.com/mruby/mruby/commit/00acae117da1b45b318dc36531a7b0021b8097ae · Patch
• https://osv.dev/vulnerability/CVE-2022-1201 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-1201 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-1201 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-1201 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-1201 · Security Note
• https://osv.dev/vulnerability/AZL-41093 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-1201 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-1201 · Vendor Advisory
• https://t.me/cvenotify/28337 · Telegram Post
• https://t.me/cvenotify/28358 · Telegram Post
• https://t.me/cvenotify/28717 · Telegram Post