CVE-2018-11743

 

Published at: - 05-06-2018 03:29

Last modified: - 17-01-2023 09:51

Total changes: - 4

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

 

Verification logic

 

Reference

• https://github.com/mruby/mruby/issues/4027
• https://github.com/mruby/mruby/commit/b64ce17852b180dfeea81cf458660be41a78974d
• [debian-lts-announce] 20220506 [SECURITY] [DLA 2996-1] mruby security update-Mailing List, Third Party Advisory

 

Keywords

NVD

 

CVE-2018-11743

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures