CVE-2018-11743
Mruby Kernel Initialized Copy Class Vulnerability (Denial of Service)
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.
INFO
Published Date :
June 5, 2018, 1:29 p.m.
Last Modified :
May 12, 2022, 8:11 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2018-11743 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-11743.
| URL | Resource |
|---|---|
| https://github.com/mruby/mruby/commit/b64ce17852b180dfeea81cf458660be41a78974d | Patch Third Party Advisory |
| https://github.com/mruby/mruby/issues/4027 | Exploit Issue Tracking Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html | Mailing List Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
A grammar based feedback Fuzzer
Rust Python C
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-11743 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-11743 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
May. 12, 2022
Action Type Old Value New Value Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/mruby/mruby/issues/4027 Issue Tracking, Third Party Advisory https://github.com/mruby/mruby/issues/4027 Exploit, Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 06, 2022
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html [No Types Assigned] -
Initial Analysis by [email protected]
Jul. 20, 2018
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/mruby/mruby/commit/b64ce17852b180dfeea81cf458660be41a78974d No Types Assigned https://github.com/mruby/mruby/commit/b64ce17852b180dfeea81cf458660be41a78974d Patch, Third Party Advisory Changed Reference Type https://github.com/mruby/mruby/issues/4027 No Types Assigned https://github.com/mruby/mruby/issues/4027 Issue Tracking, Third Party Advisory Added CWE CWE-824 Added CPE Configuration OR *cpe:2.3:a:mruby:mruby:1.4.1:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-11743 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-11743
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.72 }} -0.30%
score
0.78450
percentile