PT-2018-9748 · Ruby · Mruby

Pnoltof · Published 2018-04-18 · Updated 2018-05-22 · CVE-2018-10199

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: mruby versions prior to 1.4.1

Description: A use-after-free issue exists in the File#initialize copy() function, located in src/io.c. This could potentially allow an attacker to execute arbitrary code if they can cause Ruby code to be run.

Recommendations: For versions prior to 1.4.1, update to version 1.4.1 or later to resolve the issue.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2018-10199

Affected Products

Mruby

References · 9

• https://github.com/mruby/mruby/commit/b51b21fc63c9805862322551387d9036f2b63433 · Patch
• https://ubuntu.com/security/CVE-2018-10199 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-10199 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-10199 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-10199 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-10199 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-10199 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-10199 · Vendor Advisory
• https://github.com/mruby/mruby/issues/4001 · Note