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VULNERABILITIES

CVE-2018-11743 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://github.com/mruby/mruby/commit/b64ce17852b180dfeea81cf458660be41a78974d CVEPatchThird Party Advisory
https://github.com/mruby/mruby/issues/4027 CVEExploitIssue TrackingPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html CVEMailing ListThird Party Advisory
https://github.com/mruby/mruby/commit/b64ce17852b180dfeea81cf458660be41a78974d [email protected]PatchThird Party Advisory
https://github.com/mruby/mruby/issues/4027 [email protected]ExploitIssue TrackingPatchThird Party Advisory

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-824Access of Uninitialized Pointer[email protected]

Affected Products

ProductVersions
mruby mruby
1.4.1

CPE

  • cpe:2.3:a:mruby:mruby:1.4.1:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
debian debian linux
9.0

CPE

  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2018-11743
NVD Published Date:
Jun 5, 2018
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]