PT-2018-11075 · Mruby · Mruby

Cornelius Aschermann + 3 · Published 2018-06-12 · Updated 2019-10-03 · CVE-2018-12248

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 1.4.1

Description A heap-based buffer over-read issue was found, associated with OP ENTER, due to the failure of mrbgems/mruby-fiber/src/fiber.c to extend the stack when handling many arguments to fiber.

Recommendations For mruby version 1.4.1, at the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2018-12248

Affected Products

Mruby

References · 9

• https://github.com/mruby/mruby/commit/778500563a9f7ceba996937dc886bd8cde29b42b · Patch
• https://ubuntu.com/security/CVE-2018-12248 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-12248 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-12248 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-12248 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-12248 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-12248 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-12248 · Security Note
• https://github.com/mruby/mruby/issues/4038 · Note