CVE-2022-1276

Public Exploit
Out-of-bounds Read in mrb_get_args in mruby/mruby

Description

Out-of-bounds Read in mrb_get_args in GitHub repository mruby/mruby prior to 3.2. Possible arbitrary code execution if being exploited.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.80% Top 30%
Third-Party Advisory github.com Third-Party Advisory huntr.dev
Affected: mruby mruby/mruby
Published at:
Updated at:

References

Link Tags
https://huntr.dev/bounties/6ea041d1-e2aa-472c-bf3e-da5fa8726c25 third party advisory exploit
https://github.com/mruby/mruby/commit/c8c083cb750606b2da81582cd8e43b442bb143e6 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2022-1276?
CVE-2022-1276 has been scored as a critical severity vulnerability.
How to fix CVE-2022-1276?
To fix CVE-2022-1276, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-1276 being actively exploited in the wild?
It is possible that CVE-2022-1276 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-1276?
CVE-2022-1276 affects mruby mruby/mruby.
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