mruby buffer overflow | CVE-2022-0570
NAME
mruby buffer overflow
- Platforms Affected:
mruby mruby 1.2.0
mruby mruby 1.4.0
mruby mruby 1.4.1
mruby mruby 2.1.0
mruby mruby 2.1.2-rc
mruby mruby 2.1.2
mruby mruby 3.0.0
mruby mruby 3.1 - Risk Level:
8.4 - Exploitability:
Proof of Concept - Consequences:
Gain Access
DESCRIPTION
mruby is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by mrb_f_send(). By sending a specially-crafted request, a remote attacker could overflow a buffer and execute arbitrary code on the system.
CVSS 3.0 Information
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Access Vector: Local
- Access Complexity: Low
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Remediation Level: Official Fix
MITIGATION
Refer to mruby GIT Repository for patch, upgrade or suggested workaround information. See References.
- Reference Link:
https://huntr.dev/bounties/65a7632e-f95b-4836-b1a7-9cb95e5124f1/ - Reference Link:
https://mruby.org/
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