Vulnerability Details : CVE-2018-12249
An issue was discovered in mruby 1.4.1. There is a NULL pointer dereference in mrb_class_real because "class BasicObject" is not properly supported in class.c.
Vulnerability category: Memory Corruption
Products affected by CVE-2018-12249
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:mruby:mruby:1.4.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-12249
0.19%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 56 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-12249
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-12249
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-12249
-
https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html
[SECURITY] [DLA 2996-1] mruby security updateMailing List;Third Party Advisory
-
https://github.com/mruby/mruby/commit/faa4eaf6803bd11669bc324b4c34e7162286bfa3
`mrb_class_real()` did not work for `BasicObject`; fix #4037 · mruby/mruby@faa4eaf · GitHubPatch;Third Party Advisory
-
https://github.com/mruby/mruby/issues/4037
Null pointer dereference in mrb_class_real · Issue #4037 · mruby/mruby · GitHubExploit;Issue Tracking;Third Party Advisory
Jump to