Search criteria
6 vulnerabilities found for simatic_cp_1242-7_gprs_v2_firmware by siemens
FKIE_CVE-2021-41991
Vulnerability from fkie_nvd - Published: 2021-10-18 14:15 - Updated: 2024-11-21 06:27
Severity ?
Summary
The in-memory certificate cache in strongSwan before 5.9.4 has a remote integer overflow upon receiving many requests with different certificates to fill the cache and later trigger the replacement of cache entries. The code attempts to select a less-often-used cache entry by means of a random number generator, but this is not done correctly. Remote code execution might be a slight possibility.
References
Impacted products
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"lang": "en",
"value": "The in-memory certificate cache in strongSwan before 5.9.4 has a remote integer overflow upon receiving many requests with different certificates to fill the cache and later trigger the replacement of cache entries. The code attempts to select a less-often-used cache entry by means of a random number generator, but this is not done correctly. Remote code execution might be a slight possibility."
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"value": "La cach\u00e9 de certificados en memoria en strongSwan versiones anteriores a 5.9.4, presenta un desbordamiento de enteros remoto al recibir muchas peticiones con diferentes certificados para llenar la cach\u00e9 y posteriormente desencadenar la sustituci\u00f3n de las entradas de la cach\u00e9. El c\u00f3digo intenta seleccionar una entrada de cach\u00e9 menos usada mediante un generador de n\u00fameros aleatorios, pero esto no es realizado correctamente. Una ejecuci\u00f3n de c\u00f3digo remota podr\u00eda ser una peque\u00f1a posibilidad"
}
],
"id": "CVE-2021-41991",
"lastModified": "2024-11-21T06:27:02.090",
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"published": "2021-10-18T14:15:10.333",
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FKIE_CVE-2021-3449
Vulnerability from fkie_nvd - Published: 2021-03-25 15:15 - Updated: 2024-11-21 06:21
Severity ?
Summary
An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms extension (where it was present in the initial ClientHello), but includes a signature_algorithms_cert extension then a NULL pointer dereference will result, leading to a crash and a denial of service attack. A server is only vulnerable if it has TLSv1.2 and renegotiation enabled (which is the default configuration). OpenSSL TLS clients are not impacted by this issue. All OpenSSL 1.1.1 versions are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1-1.1.1j).
References
Impacted products
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"value": "Un servidor OpenSSL TLS puede cometer un fallo si un cliente env\u00eda un mensaje ClientHello de renegociaci\u00f3n dise\u00f1ado maliciosamente.\u0026#xa0;Si una renegociaci\u00f3n de TLSv1.2 ClientHello omite la extensi\u00f3n signature_algorithms (donde estaba presente en el ClientHello inicial), pero incluye una extensi\u00f3n signature_algorithms_cert, se producir\u00e1 una desreferencia del puntero NULL, lo que conllevar\u00e1 un bloqueo y un ataque de denegaci\u00f3n de servicio.\u0026#xa0;Un servidor solo es vulnerable si tiene TLSv1.2 y la renegociaci\u00f3n habilitada (que es la configuraci\u00f3n predeterminada).\u0026#xa0;Los clientes de OpenSSL TLS no est\u00e1n afectados por este problema.\u0026#xa0;Todas las versiones de OpenSSL versi\u00f3n 1.1.1 est\u00e1n afectadas por este problema.\u0026#xa0;Los usuarios de estas versiones deben actualizar a OpenSSL versi\u00f3n 1.1.1k.\u0026#xa0;OpenSSL versi\u00f3n 1.0.2 no est\u00e1 afectado por este problema.\u0026#xa0;Corregido en OpenSSL versi\u00f3n 1.1.1k (Afectadas versiones 1.1.1-1.1.1j)"
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}
CVE-2021-41991 (GCVE-0-2021-41991)
Vulnerability from cvelistv5 – Published: 2021-10-18 13:44 – Updated: 2024-08-04 03:22
VLAI?
Summary
The in-memory certificate cache in strongSwan before 5.9.4 has a remote integer overflow upon receiving many requests with different certificates to fill the cache and later trigger the replacement of cache entries. The code attempts to select a less-often-used cache entry by means of a random number generator, but this is not done correctly. Remote code execution might be a slight possibility.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
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CVE-2021-3449 (GCVE-0-2021-3449)
Vulnerability from cvelistv5 – Published: 2021-03-25 14:25 – Updated: 2024-09-17 03:43
VLAI?
Summary
An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms extension (where it was present in the initial ClientHello), but includes a signature_algorithms_cert extension then a NULL pointer dereference will result, leading to a crash and a denial of service attack. A server is only vulnerable if it has TLSv1.2 and renegotiation enabled (which is the default configuration). OpenSSL TLS clients are not impacted by this issue. All OpenSSL 1.1.1 versions are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1-1.1.1j).
Severity ?
No CVSS data available.
CWE
- NULL pointer dereference
Assigner
References
Impacted products
Credits
Peter Kästle (Nokia) and Samuel Sapalski (Nokia)
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CVE-2021-41991 (GCVE-0-2021-41991)
Vulnerability from nvd – Published: 2021-10-18 13:44 – Updated: 2024-08-04 03:22
VLAI?
Summary
The in-memory certificate cache in strongSwan before 5.9.4 has a remote integer overflow upon receiving many requests with different certificates to fill the cache and later trigger the replacement of cache entries. The code attempts to select a less-often-used cache entry by means of a random number generator, but this is not done correctly. Remote code execution might be a slight possibility.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2021-3449 (GCVE-0-2021-3449)
Vulnerability from nvd – Published: 2021-03-25 14:25 – Updated: 2024-09-17 03:43
VLAI?
Summary
An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms extension (where it was present in the initial ClientHello), but includes a signature_algorithms_cert extension then a NULL pointer dereference will result, leading to a crash and a denial of service attack. A server is only vulnerable if it has TLSv1.2 and renegotiation enabled (which is the default configuration). OpenSSL TLS clients are not impacted by this issue. All OpenSSL 1.1.1 versions are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1-1.1.1j).
Severity ?
No CVSS data available.
CWE
- NULL pointer dereference
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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|
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Impacted products
Credits
Peter Kästle (Nokia) and Samuel Sapalski (Nokia)
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"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}