CVE-2023-41329
Domain restrictions bypass via DNS Rebinding in WireMock and WireMock Studio
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
WireMock is a tool for mocking HTTP services. The proxy mode of WireMock, can be protected by the network restrictions configuration, as documented in Preventing proxying to and recording from specific target addresses. These restrictions can be configured using the domain names, and in such a case the configuration is vulnerable to the DNS rebinding attacks. A similar patch was applied in WireMock 3.0.0-beta-15 for the WireMock Webhook Extensions. The root cause of the attack is a defect in the logic which allows for a race condition triggered by a DNS server whose address expires in between the initial validation and the outbound network request that might go to a domain that was supposed to be prohibited. Control over a DNS service is required to exploit this attack, so it has high execution complexity and limited impact. This issue has been addressed in version 2.35.1 of wiremock-jre8 and wiremock-jre8-standalone, version 3.0.3 of wiremock and wiremock-standalone, version 2.6.1 of the python version of wiremock, and versions 2.35.1-1 and 3.0.3-1 of the wiremock/wiremock Docker container. Users are advised to upgrade. Users unable to upgrade should either configure firewall rules to define the list of permitted destinations or to configure WireMock to use IP addresses instead of the domain names.
WireMock es una herramienta para imitar servicios HTTP. El modo proxy de WireMock se puede proteger mediante la configuración de restricciones de red, como se documenta en Preventing proxying y la grabación desde direcciones de destino específicas. Estas restricciones se pueden configurar utilizando los nombres de dominio y, en tal caso, la configuración es vulnerable a los ataques de vinculación de DNS. Se aplicó un parche similar en WireMock 3.0.0-beta-15 para las extensiones WireMock Webhook. La causa principal del ataque es un defecto en la lógica que permite una condición de ejecución desencadenada por un servidor DNS cuya dirección expira entre la validación inicial y la solicitud de red saliente que podría ir a un dominio que se suponía estaba prohibido. Se requiere control sobre un servicio DNS para explotar este ataque, por lo que tiene una alta complejidad de ejecución y un impacto limitado. Este problema se solucionó en la versión 2.35.1 de wiremock-jre8 y wiremock-jre8-standalone, la versión 3.0.3 de wiremock y wiremock-standalone, la versión 2.6.1 de la versión Python de wiremock y las versiones 2.35.1-1 y 3.0.3-1 del contenedor Docker wiremock/wiremock. Se recomienda a los usuarios que actualicen. Los usuarios que no puedan actualizar deben configurar reglas de firewall para definir la lista de destinos permitidos o configurar WireMock para usar direcciones IP en lugar de nombres de dominio.
CVSS Scores
SSVC
- Decision:Track
Timeline
- 2023-08-28 CVE Reserved
- 2023-09-06 CVE Published
- 2024-09-12 EPSS Updated
- 2024-09-26 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-290: Authentication Bypass by Spoofing
CAPEC
References (2)
URL | Tag | Source |
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https://wiremock.org/docs/configuration/#preventing-proxying-to-and-recording-from-specific-target-addresses | Product |
URL | Date | SRC |
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URL | Date | SRC |
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URL | Date | SRC |
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https://github.com/wiremock/wiremock/security/advisories/GHSA-pmxq-pj47-j8j4 | 2023-09-12 |
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
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Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Wiremock Search vendor "Wiremock" | Python Wiremock Search vendor "Wiremock" for product "Python Wiremock" | < 2.6.1 Search vendor "Wiremock" for product "Python Wiremock" and version " < 2.6.1" | - |
Affected
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Wiremock Search vendor "Wiremock" | Studio Search vendor "Wiremock" for product "Studio" | <= 2.32.0-17 Search vendor "Wiremock" for product "Studio" and version " <= 2.32.0-17" | - |
Affected
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Wiremock Search vendor "Wiremock" | Wiremock Search vendor "Wiremock" for product "Wiremock" | < 2.35.1 Search vendor "Wiremock" for product "Wiremock" and version " < 2.35.1" | - |
Affected
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Wiremock Search vendor "Wiremock" | Wiremock Search vendor "Wiremock" for product "Wiremock" | >= 3.0.0 < 3.0.3 Search vendor "Wiremock" for product "Wiremock" and version " >= 3.0.0 < 3.0.3" | - |
Affected
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Wiremock Search vendor "Wiremock" | Wiremock Docker Search vendor "Wiremock" for product "Wiremock Docker" | >= 2.0.0 < 2.35.1-1 Search vendor "Wiremock" for product "Wiremock Docker" and version " >= 2.0.0 < 2.35.1-1" | - |
Affected
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Wiremock Search vendor "Wiremock" | Wiremock Docker Search vendor "Wiremock" for product "Wiremock Docker" | >= 3.0.0 < 3.0.3-1 Search vendor "Wiremock" for product "Wiremock Docker" and version " >= 3.0.0 < 3.0.3-1" | - |
Affected
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