CVE Vulnerability

CVE-2018-10191

In versions of mruby up to and including 1.4.0, an integer overflow exists in src/vm.c::mrb_vm_exec() when handling OP_GETUPVAR in the presence of deep scope nesting, resulting in a use-after-free. An attacker that can cause Ruby code to be run can use this to possibly execute arbitrary code.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/mruby/mruby/issues/3995 Exploit Issue Tracking
https://github.com/mruby/mruby/commit/1905091634a6a2925c911484434448e568330626 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:mruby:mruby:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Information

Published : 2018-04-17 09:29

Updated : 2022-05-12 08:10

NVD link : CVE-2018-10191

Mitre link : CVE-2018-10191

Products Affected
No products.
CWE
CWE-190