NULL pointer dereference in Mruby
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.
EPSS: 0.021 (80.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Mruby — versions 1.4.1
- Debian Debian_linux — versions 9.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-12249?
- CVE-2018-12249 is a high-severity vulnerability in Mruby, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2018-06-12.
- How severe is CVE-2018-12249?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-12249 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.