Critical severity · published Apr 10, 2022
CVE-2022-1276
Out-of-bounds Read in mrb_get_args in GitHub repository mruby/mruby prior to 3.2
9.8
CVSS
1.6%
EPSS
No
On KEV
Description
Out-of-bounds Read in mrb_get_args in GitHub repository mruby/mruby prior to 3.2. Possible arbitrary code execution if being exploited.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 75% 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-2022-1276
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-1276
Patch
https://github.com/mruby/mruby/commit/c8c083cb750606b2da81582cd8e43b442bb143e6
Exploit
https://huntr.dev/bounties/6ea041d1-e2aa-472c-bf3e-da5fa8726c25
More from Mruby
9.8
CVE-2022-1286
heap-buffer-overflow in mrb_vm_exec in mruby/mruby in GitHub repository mruby/mruby prior to 3.2
9.8
CVE-2022-1212
Use-After-Free in str_escape in mruby/mruby in GitHub repository mruby/mruby prior to 3.2
9.8
CVE-2022-0631
Heap-based Buffer Overflow in Homebrew mruby prior to 3.2
9.8
CVE-2022-0570
Heap-based Buffer Overflow in Homebrew mruby prior to 3.2
9.8
CVE-2022-0080
mruby is vulnerable to Heap-based Buffer Overflow