All the vulnerabilites related to cisco - ncs-55a2-mod-se-s
cve-2020-3284
Vulnerability from cvelistv5
Published
2020-11-06 18:16
Modified
2024-11-13 17:43
Severity ?
EPSS score ?
Summary
A vulnerability in the enhanced Preboot eXecution Environment (PXE) boot loader for Cisco IOS XR 64-bit Software could allow an unauthenticated, remote attacker to execute unsigned code during the PXE boot process on an affected device. The PXE boot loader is part of the BIOS and runs over the management interface of hardware platforms that are running Cisco IOS XR Software only. The vulnerability exists because internal commands that are issued when the PXE network boot process is loading a software image are not properly verified. An attacker could exploit this vulnerability by compromising the PXE boot server and replacing a valid software image with a malicious one. Alternatively, the attacker could impersonate the PXE boot server and send a PXE boot reply with a malicious file. A successful exploit could allow the attacker to execute unsigned code on the affected device. Note: To fix this vulnerability, both the Cisco IOS XR Software and the BIOS must be upgraded. The BIOS code is included in Cisco IOS XR Software but might require additional installation steps. For further information, see the Fixed Software section of this advisory.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-pxe-unsign-code-exec-qAa78fD2 | vendor-advisory, x_refsource_CISCO |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: n/a |
|
|
|||
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cve-2022-20821
Vulnerability from cvelistv5
Published
2022-05-26 14:00
Modified
2024-10-29 16:11
Severity ?
EPSS score ?
Summary
A vulnerability in the health check RPM of Cisco IOS XR Software could allow an unauthenticated, remote attacker to access the Redis instance that is running within the NOSi container. This vulnerability exists because the health check RPM opens TCP port 6379 by default upon activation. An attacker could exploit this vulnerability by connecting to the Redis instance on the open port. A successful exploit could allow the attacker to write to the Redis in-memory database, write arbitrary files to the container filesystem, and retrieve information about the Redis database. Given the configuration of the sandboxed container that the Redis instance runs in, a remote attacker would be unable to execute remote code or abuse the integrity of the Cisco IOS XR Software host system.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-redis-ABJyE5xK | vendor-advisory, x_refsource_CISCO |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: n/a |
|
|
|||
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cve-2019-1649
Vulnerability from cvelistv5
Published
2019-05-13 19:10
Modified
2024-11-20 17:23
Severity ?
EPSS score ?
Summary
A vulnerability in the logic that handles access control to one of the hardware components in Cisco's proprietary Secure Boot implementation could allow an authenticated, local attacker to write a modified firmware image to the component. This vulnerability affects multiple Cisco products that support hardware-based Secure Boot functionality. The vulnerability is due to an improper check on the area of code that manages on-premise updates to a Field Programmable Gate Array (FPGA) part of the Secure Boot hardware implementation. An attacker with elevated privileges and access to the underlying operating system that is running on the affected device could exploit this vulnerability by writing a modified firmware image to the FPGA. A successful exploit could either cause the device to become unusable (and require a hardware replacement) or allow tampering with the Secure Boot verification process, which under some circumstances may allow the attacker to install and boot a malicious software image. An attacker will need to fulfill all the following conditions to attempt to exploit this vulnerability: Have privileged administrative access to the device. Be able to access the underlying operating system running on the device; this can be achieved either by using a supported, documented mechanism or by exploiting another vulnerability that would provide an attacker with such access. Develop or have access to a platform-specific exploit. An attacker attempting to exploit this vulnerability across multiple affected platforms would need to research each one of those platforms and then develop a platform-specific exploit. Although the research process could be reused across different platforms, an exploit developed for a given hardware platform is unlikely to work on a different hardware platform.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190513-secureboot | vendor-advisory, x_refsource_CISCO | |
| https://www.kb.cert.org/vuls/id/400865 | third-party-advisory, x_refsource_CERT-VN | |
| http://www.securityfocus.com/bid/108350 | vdb-entry, x_refsource_BID | |
| https://www.us-cert.gov/ics/advisories/icsa-20-072-03 | x_refsource_MISC |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco Routers |
Version: unspecified < 16.12.1 |
|
|
|||
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Vulnerability from fkie_nvd
Published
2020-11-06 19:15
Modified
2024-11-21 05:30
Severity ?
Summary
A vulnerability in the enhanced Preboot eXecution Environment (PXE) boot loader for Cisco IOS XR 64-bit Software could allow an unauthenticated, remote attacker to execute unsigned code during the PXE boot process on an affected device. The PXE boot loader is part of the BIOS and runs over the management interface of hardware platforms that are running Cisco IOS XR Software only. The vulnerability exists because internal commands that are issued when the PXE network boot process is loading a software image are not properly verified. An attacker could exploit this vulnerability by compromising the PXE boot server and replacing a valid software image with a malicious one. Alternatively, the attacker could impersonate the PXE boot server and send a PXE boot reply with a malicious file. A successful exploit could allow the attacker to execute unsigned code on the affected device. Note: To fix this vulnerability, both the Cisco IOS XR Software and the BIOS must be upgraded. The BIOS code is included in Cisco IOS XR Software but might require additional installation steps. For further information, see the Fixed Software section of this advisory.
References
Impacted products
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Vulnerability from fkie_nvd
Published
2019-05-13 19:29
Modified
2024-11-21 04:37
Severity ?
Summary
A vulnerability in the logic that handles access control to one of the hardware components in Cisco's proprietary Secure Boot implementation could allow an authenticated, local attacker to write a modified firmware image to the component. This vulnerability affects multiple Cisco products that support hardware-based Secure Boot functionality. The vulnerability is due to an improper check on the area of code that manages on-premise updates to a Field Programmable Gate Array (FPGA) part of the Secure Boot hardware implementation. An attacker with elevated privileges and access to the underlying operating system that is running on the affected device could exploit this vulnerability by writing a modified firmware image to the FPGA. A successful exploit could either cause the device to become unusable (and require a hardware replacement) or allow tampering with the Secure Boot verification process, which under some circumstances may allow the attacker to install and boot a malicious software image. An attacker will need to fulfill all the following conditions to attempt to exploit this vulnerability: Have privileged administrative access to the device. Be able to access the underlying operating system running on the device; this can be achieved either by using a supported, documented mechanism or by exploiting another vulnerability that would provide an attacker with such access. Develop or have access to a platform-specific exploit. An attacker attempting to exploit this vulnerability across multiple affected platforms would need to research each one of those platforms and then develop a platform-specific exploit. Although the research process could be reused across different platforms, an exploit developed for a given hardware platform is unlikely to work on a different hardware platform.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| ykramarz@cisco.com | http://www.securityfocus.com/bid/108350 | Third Party Advisory, VDB Entry | |
| ykramarz@cisco.com | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190513-secureboot | Vendor Advisory | |
| ykramarz@cisco.com | https://www.kb.cert.org/vuls/id/400865 | Third Party Advisory, US Government Resource | |
| ykramarz@cisco.com | https://www.us-cert.gov/ics/advisories/icsa-20-072-03 | Third Party Advisory, US Government Resource | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securityfocus.com/bid/108350 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190513-secureboot | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.kb.cert.org/vuls/id/400865 | Third Party Advisory, US Government Resource | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.us-cert.gov/ics/advisories/icsa-20-072-03 | Third Party Advisory, US Government Resource |
Impacted products
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Vulnerability from fkie_nvd
Published
2022-05-26 14:15
Modified
2024-11-21 06:43
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Summary
A vulnerability in the health check RPM of Cisco IOS XR Software could allow an unauthenticated, remote attacker to access the Redis instance that is running within the NOSi container. This vulnerability exists because the health check RPM opens TCP port 6379 by default upon activation. An attacker could exploit this vulnerability by connecting to the Redis instance on the open port. A successful exploit could allow the attacker to write to the Redis in-memory database, write arbitrary files to the container filesystem, and retrieve information about the Redis database. Given the configuration of the sandboxed container that the Redis instance runs in, a remote attacker would be unable to execute remote code or abuse the integrity of the Cisco IOS XR Software host system.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cisco | ios_xr | - | |
| cisco | 8201 | - | |
| cisco | 8202 | - | |
| cisco | 8208 | - | |
| cisco | 8212 | - | |
| cisco | 8218 | - | |
| cisco | ncs-55a1-24h | - | |
| cisco | ncs-55a1-24q6h-s | - | |
| cisco | ncs-55a1-36h-s | - | |
| cisco | ncs-55a1-36h-se | - | |
| cisco | ncs-55a1-36h-se-s | - | |
| cisco | ncs-55a2-mod-hd-s | - | |
| cisco | ncs-55a2-mod-hx-s | - | |
| cisco | ncs-55a2-mod-s | - | |
| cisco | ncs-55a2-mod-se-h-s | - | |
| cisco | ncs-55a2-mod-se-s | - | |
| cisco | ncs_1001 | - | |
| cisco | ncs_1002 | - | |
| cisco | ncs_1004 | - | |
| cisco | ncs_5001 | - | |
| cisco | ncs_5002 | - | |
| cisco | ncs_5501-se | - | |
| cisco | ncs_5502-se | - | |
| cisco | ncs_5504 | - | |
| cisco | ncs_5508 | - | |
| cisco | ncs_5516 | - | |
| cisco | ncs_55a1 | - | |
| cisco | ncs_55a2 | - |
{
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"value": "A vulnerability in the health check RPM of Cisco IOS XR Software could allow an unauthenticated, remote attacker to access the Redis instance that is running within the NOSi container. This vulnerability exists because the health check RPM opens TCP port 6379 by default upon activation. An attacker could exploit this vulnerability by connecting to the Redis instance on the open port. A successful exploit could allow the attacker to write to the Redis in-memory database, write arbitrary files to the container filesystem, and retrieve information about the Redis database. Given the configuration of the sandboxed container that the Redis instance runs in, a remote attacker would be unable to execute remote code or abuse the integrity of the Cisco IOS XR Software host system."
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{
"lang": "es",
"value": "Una vulnerabilidad en el RPM de comprobaci\u00f3n de salud del software Cisco IOS XR podr\u00eda permitir a un atacante remoto no autenticado acceder a la instancia de Redis que es ejecutado dentro del contenedor NOSi. Esta vulnerabilidad se presenta porque el RPM de comprobaci\u00f3n de salud abre el puerto TCP 6379 por defecto al activarse. Un atacante podr\u00eda explotar esta vulnerabilidad al conectarse a la instancia de Redis en el puerto abierto. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante escribir en la base de datos en memoria de Redis, escribir archivos arbitrarios en el sistema de archivos del contenedor y recuperar informaci\u00f3n sobre la base de datos de Redis. Dada la configuraci\u00f3n del contenedor con sandbox en el que es ejecutada la instancia de Redis, un atacante remoto no podr\u00eda ejecutar c\u00f3digo remoto ni abusar de la integridad del sistema anfitri\u00f3n del software Cisco IOS XR"
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