CVE Vulnerability

CVE-2018-12248

An issue was discovered in mruby 1.4.1. There is a heap-based buffer over-read associated with OP_ENTER because mrbgems/mruby-fiber/src/fiber.c does not extend the stack in cases of many arguments to fiber.

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/4038 Issue Tracking Third Party Advisory
https://github.com/mruby/mruby/commit/778500563a9f7ceba996937dc886bd8cde29b42b Patch Third Party Advisory
Configurations

Configuration 1

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

Published : 2018-06-12 02:29

Updated : 2019-10-03 12:03

NVD link : CVE-2018-12248

Mitre link : CVE-2018-12248

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read