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CVE-2018-11743

Published: 5 June 2018

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.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
mruby
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Needs triage

cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Needs triage

groovy Ignored
(end of life)
hirsute Ignored
(end of life)
impish Ignored
(end of life)
jammy Needs triage

kinetic Ignored
(end of life, was needs-triage)
lunar Ignored
(end of life, was needs-triage)
mantic Needs triage

noble Needs triage

trusty Does not exist
(trusty was needs-triage)
upstream Needs triage

xenial Needs triage

Patches:
other: https://github.com/mruby/mruby/commit/b64ce17852b180dfeea81cf458660be41a78974d

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H