High severity · published Mar 26, 2022
CVE-2022-1071
User after free in mrb_vm_exec in GitHub repository mruby/mruby prior to 3.2
8.2
CVSS
0.9%
EPSS
No
On KEV
Description
User after free in mrb_vm_exec in GitHub repository mruby/mruby prior to 3.2.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% 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-2022-1071
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-1071
Patch
https://github.com/mruby/mruby/commit/aaa28a508903041dd7399d4159a8ace9766b022f
Exploit
https://huntr.dev/bounties/6597ece9-07af-415b-809b-919ce0a17cf3
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