Vulnerability Description
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.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mruby | Mruby | 1.4.1 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://github.com/mruby/mruby/commit/faa4eaf6803bd11669bc324b4c34e7162286bfa3PatchThird Party Advisory
- https://github.com/mruby/mruby/issues/4037ExploitIssue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/05/msg00006.htmlMailing ListThird Party Advisory
- https://github.com/mruby/mruby/commit/faa4eaf6803bd11669bc324b4c34e7162286bfa3PatchThird Party Advisory
- https://github.com/mruby/mruby/issues/4037ExploitIssue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/05/msg00006.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2018-12249?
CVE-2018-12249 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.
How severe is CVE-2018-12249?
CVE-2018-12249 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-12249?
Check the references section above for vendor advisories and patch information. Affected products include: Mruby Mruby, Debian Debian Linux.