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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2018
- CVE-2018-12242The Symantec Messaging Gateway product prior to 10.6.6 may b…
- CVE-2018-12243The Symantec Messaging Gateway product prior to 10.6.6 may b…
- CVE-2018-12244SEP (Mac client) prior to and including 12.1 RU6 MP9 and pri…
- CVE-2018-12245Symantec Endpoint Protection prior to 14.2 MP1 may be suscep…
- CVE-2018-12246Symantec Web Isolation (WI) 1.11 prior to 1.11.21 is suscept…
- CVE-2018-12247An issue was discovered in mruby 1.4.1. There is a NULL poin…
- CVE-2018-12249An issue was discovered in mruby 1.4.1. There is a NULL poin…7.5
- CVE-2018-1225Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2018-12250An issue was discovered in Elite CMS Pro 2.01. In /admin/add…
- CVE-2018-12254router.php in the Harmis Ek rishta (aka ek-rishta) 2.10 comp…
- CVE-2018-12255An XSS issue was discovered in InvoicePlane 1.5.10 via the "…
- CVE-2018-12256admin/vqmods.app/vqmods.inc.php in LiteCart before 2.1.3 all…
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