CVE-2024-28121 (GCVE-0-2024-28121)
Vulnerability from cvelistv5 – Published: 2024-03-12 19:44 – Updated: 2025-02-13 17:47
VLAI
EPSS
VEX
Title
Reflex arbitrary method call in stimulus_reflex
Summary
stimulus_reflex is a system to extend the capabilities of both Rails and Stimulus by intercepting user interactions and passing them to Rails over real-time websockets. In affected versions more methods than expected can be called on reflex instances. Being able to call some of them has security implications. To invoke a reflex a websocket message of the following shape is sent: `\"target\":\"[class_name]#[method_name]\",\"args\":[]`. The server will proceed to instantiate `reflex` using the provided `class_name` as long as it extends `StimulusReflex::Reflex`. It then attempts to call `method_name` on the instance with the provided arguments. This is problematic as `reflex.method method_name` can be more methods that those explicitly specified by the developer in their reflex class. A good example is the instance_variable_set method. This vulnerability has been patched in versions 3.4.2 and 3.5.0.rc4. Users unable to upgrade should: see the backing GHSA advisory for mitigation advice.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-03-13 14:29 UTC
CWE
- CWE-470 - Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')
Assigner
GitHub_M
CNA
References
6 references
| URL | Tags |
|---|---|
| https://github.com/stimulusreflex/stimulus_reflex… | x_refsource_CONFIRM |
| https://github.com/stimulusreflex/stimulus_reflex… | x_refsource_MISC |
| https://github.com/stimulusreflex/stimulus_reflex… | x_refsource_MISC |
| https://github.com/stimulusreflex/stimulus_reflex… | x_refsource_MISC |
| https://github.com/stimulusreflex/stimulus_reflex… | x_refsource_MISC |
| http://seclists.org/fulldisclosure/2024/Mar/16 |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| stimulusreflex | stimulus_reflex |
Affected:
>= 3.5.0.rc1, < 3.5.0.rc4
Affected: < 3.4.2 |
|
| stimulusreflex | stimulus_reflex |
Affected:
0 , < 3.4.2
(custom)
Affected: 3.5.0.rc1 , < 3.5.0.rc4 (custom) cpe:2.3:a:stimulusreflex:stimulus_reflex:*:*:*:*:*:*:*:* |
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