CVE-2018-12248
UnknownEPSS 1.55%
Last modified
CVE-2018-12248 is a vulnerability of currently unknown severity. An issue was discovered in mruby 1.4.1. There is a heap-based buffer over-read associated with OP_ENTER because mrbgems/mruby-fiber/src/fiber.c does not extend the stack in cases of many arguments to fiber.. EPSS estimates a 1.55% chance of exploitation in the next 30 days.
Description
An issue was discovered in mruby 1.4.1. There is a heap-based buffer over-read associated with OP_ENTER because mrbgems/mruby-fiber/src/fiber.c does not extend the stack in cases of many arguments to fiber.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mruby | Mruby | 1.4.1 |
References
- https://github.com/mruby/mruby/commit/778500563a9f7ceba996937dc886bd8cde29b42bPatch, Third Party Advisory
- https://github.com/mruby/mruby/issues/4038Issue Tracking, Third Party Advisory
- https://github.com/mruby/mruby/commit/778500563a9f7ceba996937dc886bd8cde29b42bPatch, Third Party Advisory
- https://github.com/mruby/mruby/issues/4038Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-12248?
An issue was discovered in mruby 1.4.1. There is a heap-based buffer over-read associated with OP_ENTER because mrbgems/mruby-fiber/src/fiber.c does not extend the stack in cases of many arguments to fiber.
How severe is CVE-2018-12248?
Severity scoring for CVE-2018-12248 is pending analysis. The EPSS model estimates a 1.55% probability of exploitation in the next 30 days.
How do I fix CVE-2018-12248?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2018-12248?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST