CVE-2022-1212

Public Exploit
Use-After-Free in str_escape in mruby/mruby in mruby/mruby

Description

Use-After-Free in str_escape in mruby/mruby 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 0.32%
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/9fcc06d0-08e4-49c8-afda-2cae40946abe patch exploit third party advisory issue tracking
https://github.com/mruby/mruby/commit/3cf291f72224715942beaf8553e42ba8891ab3c6 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2022-1212?
CVE-2022-1212 has been scored as a critical severity vulnerability.
How to fix CVE-2022-1212?
To fix CVE-2022-1212, 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-2022-1212 being actively exploited in the wild?
It is possible that CVE-2022-1212 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-1212?
CVE-2022-1212 affects mruby mruby/mruby.
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