CVE Vulnerability

CVE-2018-12247

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).

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/mruby/mruby/issues/4036 Issue Tracking Third Party Advisory
https://github.com/mruby/mruby/commit/55edae0226409de25e59922807cb09acb45731a2 Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:mruby:mruby:1.4.1:*:*:*:*:*:*:*
Information

Published : 2018-06-12 02:29

Updated : 2018-08-01 12:08

NVD link : CVE-2018-12247

Mitre link : CVE-2018-12247

Products Affected
No products.
CWE
CWE-476