CVE Vulnerability

CVE-2018-11743

The init_copy function in kernel.c in mruby 1.4.1 makes initialize_copy calls for TT_ICLASS objects, which allows attackers to cause a denial of service (mrb_hash_keys uninitialized pointer and application crash) or possibly have unspecified other impact.

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/4027 Exploit Issue Tracking
https://github.com/mruby/mruby/commit/b64ce17852b180dfeea81cf458660be41a78974d 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:1.4.1:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Information

Published : 2018-06-05 01:29

Updated : 2022-05-12 08:11

NVD link : CVE-2018-11743

Mitre link : CVE-2018-11743

Products Affected
No products.
CWE
CWE-824

Access of Uninitialized Pointer