CVE-2018-10191
mruby Use-after-Free Buffer Vulnerability
Description
In versions of mruby up to and including 1.4.0, an integer overflow exists in src/vm.c::mrb_vm_exec() when handling OP_GETUPVAR in the presence of deep scope nesting, resulting in a use-after-free. An attacker that can cause Ruby code to be run can use this to possibly execute arbitrary code.
INFO
Published Date :
April 17, 2018, 9:29 p.m.
Last Modified :
May 12, 2022, 8:10 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2018-10191 has a 2 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-2018-10191.
| URL | Resource |
|---|---|
| https://github.com/mruby/mruby/commit/1905091634a6a2925c911484434448e568330626 | Patch Third Party Advisory |
| https://github.com/mruby/mruby/issues/3995 | Exploit Issue Tracking 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).
How to install and run RCA.
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-2018-10191 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-10191 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/3995 Exploit, Third Party Advisory https://github.com/mruby/mruby/issues/3995 Exploit, Issue Tracking, 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 Removed CWE NIST CWE-416 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]
May. 21, 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/issues/3995 No Types Assigned https://github.com/mruby/mruby/issues/3995 Exploit, Third Party Advisory Changed Reference Type https://github.com/mruby/mruby/commit/1905091634a6a2925c911484434448e568330626 No Types Assigned https://github.com/mruby/mruby/commit/1905091634a6a2925c911484434448e568330626 Patch, Third Party Advisory Added CWE CWE-190 Added CWE CWE-416 Added CPE Configuration OR *cpe:2.3:a:mruby:mruby:*:*:*:*:*:*:*:* versions up to (including) 1.4.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-10191 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-2018-10191
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.54 }} -0.01%
score
0.76928
percentile