CVE-2024-52288
libosdp is an implementation of IEC 60839-11-5 OSDP (Open Supervised Device Protocol) and provides a C library with support for C++, Rust and Python3. In affected versions an unexpected `REPLY_CCRYPT` or `REPLY_RMAC_I` may be introduced into an active stream when they should not be. Once RMAC_I message can be sent during a session, attacker with MITM access to the communication may intercept the original RMAC_I reply and save it.
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While the session continues, the attacker will record all of the replies and save them, till capturing the message to be replied (can be detected by ID, length or time based on inspection of visual activity next to the reader) Once attacker captures a session with the message to be replayed, he stops resetting the connection and waits for signal to perform the replay to of the PD to CP message (ex: by signaling remotely to the MIMT device or setting a specific timing). In order to replay, the attacker will craft a specific RMAC_I message in the proper seq of the execution, which will result in reverting the RMAC to the beginning of the session. At that phase - attacker can replay all the messages from the beginning of the session. This issue has been addressed in commit `298576d9` which is included in release version 3.0.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- Puntuación base: 5.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.13%
- Percentil entre todas las CVEs puntuadas: 2
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-924
Referencias
JSON original (NVD)
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"timestamp": "2024-11-12T14:48:07.852440Z"
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"attackComplexity": "HIGH",
"availabilityImpact": "NONE",
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"value": "libosdp is an implementation of IEC 60839-11-5 OSDP (Open Supervised Device Protocol) and provides a C library with support for C++, Rust and Python3. In affected versions an unexpected `REPLY_CCRYPT` or `REPLY_RMAC_I` may be introduced into an active stream when they should not be. Once RMAC_I message can be sent during a session, attacker with MITM access to the communication may intercept the original RMAC_I reply and save it. While the session continues, the attacker will record all of the replies and save them, till capturing the message to be replied (can be detected by ID, length or time based on inspection of visual activity next to the reader) Once attacker captures a session with the message to be replayed, he stops resetting the connection and waits for signal to perform the replay to of the PD to CP message (ex: by signaling remotely to the MIMT device or setting a specific timing). In order to replay, the attacker will craft a specific RMAC_I message in the proper seq of the execution, which will result in reverting the RMAC to the beginning of the session. At that phase - attacker can replay all the messages from the beginning of the session. This issue has been addressed in commit `298576d9` which is included in release version 3.0.0. Users are advised to upgrade. There are no known workarounds for this vulnerability."
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{
"lang": "es",
"value": "libosdp es una implementación de IEC 60839-11-5 OSDP (Open Supervised Device Protocol) y proporciona una librería C con soporte para C++, Rust y Python3. En las versiones afectadas, se puede introducir un `REPLY_CCRYPT` o `REPLY_RMAC_I` inesperado en un flujo activo cuando no debería ser así. Una vez que se puede enviar un mensaje RMAC_I durante una sesión, el atacante con acceso MITM a la comunicación puede interceptar la respuesta RMAC_I original y guardarla. Mientras la sesión continúa, el atacante registrará todas las respuestas y las guardará, hasta capturar el mensaje a ser respondido (se puede detectar por ID, longitud o tiempo en función de la inspección de la actividad visual junto al lector). Una vez que el atacante captura una sesión con el mensaje a ser reproducido, deja de restablecer la conexión y espera la señal para realizar la reproducción del mensaje PD a CP (por ejemplo: señalando remotamente al dispositivo MIMT o estableciendo un tiempo específico). Para poder reproducir, el atacante creará un mensaje RMAC_I específico en la secuencia adecuada de ejecución, lo que hará que el RMAC vuelva al principio de la sesión. En esa fase, el atacante puede reproducir todos los mensajes desde el principio de la sesión. Este problema se ha solucionado en el commit `298576d9`, que se incluye en la versión de lanzamiento 3.0.0. Se recomienda a los usuarios que actualicen. No se conocen workarounds para esta vulnerabilidad."
}
],
"lastModified": "2026-06-17T08:06:56.750",
"sourceIdentifier": "security-advisories@github.com"
}