CVE-2018-12247

 

Published at: - 12-06-2018 04:29

Last modified: - 17-01-2023 09:51

Total changes: - 2

Description

An issue was discovered in mruby 1.4.1. There is a NULL pointer dereference in mrb_class, related to certain .clone usage, because mrb_obj_clone in kernel.c copies flags other than the MRB_FLAG_IS_FROZEN flag (e.g., the embedded flag).

Common Vulnerability Scoring System (CVSS)

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

 

Verification logic

 

Reference

• https://github.com/mruby/mruby/issues/4036
• https://github.com/mruby/mruby/commit/55edae0226409de25e59922807cb09acb45731a2

 

Keywords

NVD

 

CVE-2018-12247

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures