High severity · published Apr 23, 2022
CVE-2022-1427
Out-of-bounds Read in mrb_obj_is_kind_of in in GitHub repository mruby/mruby prior to 3.2
7.8
CVSS
0.5%
EPSS
No
On KEV
Description
Out-of-bounds Read in mrb_obj_is_kind_of in in GitHub repository mruby/mruby prior to 3.2. # Impact: Possible arbitrary code execution if being exploited.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% 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-2022-1427
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-1427
Patch
https://github.com/mruby/mruby/commit/a4d97934d51cb88954cc49161dc1d151f64afb6b
Exploit
https://huntr.dev/bounties/23b6f0a9-64f5-421e-a55f-b5b7a671f301
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