PT-2022-12506 · Mruby+1 · Mruby+1

Aidaipop · Published 2022-01-14 · Updated 2022-01-20 · CVE-2021-46020

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 mruby version 3.0.0

Description The issue is related to an untrusted pointer dereference in the mrb vm exec() function, which can cause a segmentation fault or application crash.

Recommendations For mruby version 3.0.0, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2021-46020

Affected Products

Debian

Mruby

References · 8

• 🔥 https://github.com/mruby/mruby/issues/5613 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-46020 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-46020 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-46020 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-46020 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-46020 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-46020 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-46020 · Vendor Advisory