Critical severity · published Mar 27, 2022
CVE-2022-1106
use after free in mrb_vm_exec in GitHub repository mruby/mruby prior to 3.2
9.1
CVSS
1%
EPSS
No
On KEV
Description
use after free in mrb_vm_exec in GitHub repository mruby/mruby prior to 3.2.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MR
Mruby · Mruby
through 3.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-1106
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-1106
Patch
https://github.com/mruby/mruby/commit/7f5a490d09f4d56801ac3a3e4e39e03e1471b44c
Exploit
https://huntr.dev/bounties/16b9d0ea-71ed-41bc-8a88-2deb4c20be8f
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