Medium severity · published Apr 2, 2022
CVE-2022-1201
NULL Pointer Dereference in mrb_vm_exec with super in GitHub repository mruby/mruby prior to 3.2
6.5
CVSS
0.4%
EPSS
No
On KEV
Description
NULL Pointer Dereference in mrb_vm_exec with super in GitHub repository mruby/mruby prior to 3.2. This vulnerability is capable of making the mruby interpreter crash, thus affecting the availability of the system.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MR
Mruby · Mruby
before 3.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-1201
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-1201
Patch
https://github.com/mruby/mruby/commit/00acae117da1b45b318dc36531a7b0021b8097ae
Exploit
https://huntr.dev/bounties/6f930add-c9d8-4870-ae56-d4bd8354703b
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