fkie_cve-2023-44184
Vulnerability from fkie_nvd
Published
2023-10-13 00:15
Modified
2025-05-02 16:12
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
An Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in the management daemon (mgd) process of Juniper Networks Junos OS and Junos OS Evolved allows a network-based authenticated low-privileged attacker, by executing a specific command via NETCONF, to cause a CPU Denial of Service to the device's control plane.
This issue affects:
Juniper Networks Junos OS
* All versions prior to 20.4R3-S7;
* 21.2 versions prior to 21.2R3-S5;
* 21.3 versions prior to 21.3R3-S5;
* 21.4 versions prior to 21.4R3-S4;
* 22.1 versions prior to 22.1R3-S2;
* 22.2 versions prior to 22.2R3;
* 22.3 versions prior to 22.3R2-S1, 22.3R3;
* 22.4 versions prior to 22.4R1-S2, 22.4R2.
Juniper Networks Junos OS Evolved
* All versions prior to 21.4R3-S4-EVO;
* 22.1 versions prior to 22.1R3-S2-EVO;
* 22.2 versions prior to 22.2R3-EVO;
* 22.3 versions prior to 22.3R3-EVO;
* 22.4 versions prior to 22.4R2-EVO.
An indicator of compromise can be seen by first determining if the NETCONF client is logged in and fails to log out after a reasonable period of time and secondly reviewing the WCPU percentage for the mgd process by running the following command:
mgd process example:
user@device-re#> show system processes extensive | match "mgd|PID" | except last
PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND
92476 root 100 0 500M 89024K CPU3 3 57.5H 89.60% mgd <<<<<<<<<<< review the high cpu percentage.
Example to check for NETCONF activity:
While there is no specific command that shows a specific session in use for NETCONF, you can review logs for UI_LOG_EVENT with "client-mode 'netconf'"
For example:
mgd[38121]: UI_LOGIN_EVENT: User 'root' login, class 'super-user' [38121], ssh-connection '10.1.1.1 201 55480 10.1.1.2 22', client-mode 'netconf'
References
| ▶ | URL | Tags | |
|---|---|---|---|
| sirt@juniper.net | https://supportportal.juniper.net/JSA73147 | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://supportportal.juniper.net/JSA73147 | Vendor Advisory |
Impacted products
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "\nAn Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in the management daemon (mgd) process of Juniper Networks Junos OS and Junos OS Evolved allows a network-based authenticated low-privileged attacker, by executing a specific command via NETCONF, to cause a CPU Denial of Service to the device\u0027s control plane.\n\nThis issue affects:\n\nJuniper Networks Junos OS\n\n\n\n * All versions prior to 20.4R3-S7;\n * 21.2 versions prior to 21.2R3-S5;\n * 21.3 versions prior to 21.3R3-S5;\n * 21.4 versions prior to 21.4R3-S4;\n * 22.1 versions prior to 22.1R3-S2;\n * 22.2 versions prior to 22.2R3;\n * 22.3 versions prior to 22.3R2-S1, 22.3R3;\n * 22.4 versions prior to 22.4R1-S2, 22.4R2.\n\n\n\n\nJuniper Networks Junos OS Evolved\n\n\n\n * All versions prior to 21.4R3-S4-EVO;\n * 22.1 versions prior to 22.1R3-S2-EVO;\n * 22.2 versions prior to 22.2R3-EVO;\n * 22.3 versions prior to 22.3R3-EVO;\n * 22.4 versions prior to 22.4R2-EVO.\n\n\n\n\nAn indicator of compromise can be seen by first determining if the NETCONF client is logged in and fails to log out after a reasonable period of time and secondly reviewing the WCPU percentage for the mgd process by running the following command:\n\nmgd process example:\n\nuser@device-re#\u003e show system processes extensive | match \"mgd|PID\" | except last\nPID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND\n92476 root 100 0 500M 89024K CPU3 3 57.5H 89.60% mgd \u003c\u003c\u003c\u003c\u003c\u003c\u003c\u003c\u003c\u003c\u003c review the high cpu percentage.\nExample to check for NETCONF activity:\n\nWhile there is no specific command that shows a specific session in use for NETCONF, you can review logs for UI_LOG_EVENT with \"client-mode \u0027netconf\u0027\"\n\nFor example:\n\nmgd[38121]: UI_LOGIN_EVENT: User \u0027root\u0027 login, class \u0027super-user\u0027 [38121], ssh-connection \u002710.1.1.1 201 55480 10.1.1.2 22\u0027, client-mode \u0027netconf\u0027\n\n"
},
{
"lang": "es",
"value": "Una vulnerabilidad de restricci\u00f3n inadecuada de operaciones dentro de los l\u00edmites de un b\u00fafer de memoria en el proceso del Management Daemon (mgd) de Juniper Networks Junos OS y Junos OS Evolved permite a un atacante con pocos privilegios autenticado basado en red, ejecutando un comando espec\u00edfico a trav\u00e9s de NETCONF, para provocar una Denegaci\u00f3n de Servicio (DoS) de la CPU en el plano de control del dispositivo. Este problema afecta a: Juniper Networks Junos OS * Todas las versiones anteriores a 20.4R3-S7; * Versiones 21.2 anteriores a 21.2R3-S5; * Versiones 21.3 anteriores a 21.3R3-S5; * Versiones 21.4 anteriores a 21.4R3-S4; * Versiones 22.1 anteriores a 22.1R3-S2; * Versiones 22.2 anteriores a 22.2R3; * Versiones 22.3 anteriores a 22.3R2-S1, 22.3R3; * Versiones 22.4 anteriores a 22.4R1-S2, 22.4R2. Juniper Networks Junos OS Evolved * Todas las versiones anteriores a 21.4R3-S4-EVO; * Versiones 22.1 anteriores a 22.1R3-S2-EVO; * Versiones 22.2 anteriores a 22.2R3-EVO; * Versiones 22.3 anteriores a 22.3R3-EVO; * Versiones 22.4 anteriores a 22.4R2-EVO. Se puede ver un indicador de compromiso determinando primero si el cliente NETCONF ha iniciado sesi\u00f3n y no logra cerrar sesi\u00f3n despu\u00e9s de un per\u00edodo de tiempo razonable y, en segundo lugar, revisando el porcentaje de WCPU para el proceso mgd ejecutando el siguiente comando: mgd process example: user@device-re#\u0026gt; show system processes extensive | match \"mgd|PID\" | excepto el \u00faltimo PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND 92476 root 100 0 500M 89024K CPU3 3 57.5H 89.60% mgd \u0026lt;\u0026lt;\u0026lt;\u0026lt;\u0026lt;\u0026lt;\u0026lt;\u0026lt;\u0026lt;\u0026lt;\u0026lt; revise el alto porcentaje de CPU. Ejemplo para comprobar la actividad de NETCONF: si bien no existe un comando espec\u00edfico que muestre una sesi\u00f3n espec\u00edfica en uso para NETCONF, puede revisar los registros de UI_LOG_EVENT con \"client-mode \u0027netconf\u0027\". Por ejemplo: mgd[38121]: UI_LOGIN_EVENT: Usuario \u0027root\u0027 de inicio de sesi\u00f3n, clase \u0027super-user\u0027 [38121], conexi\u00f3n ssh \u002710.1.1.1 201 55480 10.1.1.2 22\u0027, modo cliente \u0027netconf\u0027"
}
],
"id": "CVE-2023-44184",
"lastModified": "2025-05-02T16:12:56.360",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
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"source": "sirt@juniper.net",
"type": "Secondary"
},
{
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
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"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
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]
},
"published": "2023-10-13T00:15:12.067",
"references": [
{
"source": "sirt@juniper.net",
"tags": [
"Vendor Advisory"
],
"url": "https://supportportal.juniper.net/JSA73147"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "https://supportportal.juniper.net/JSA73147"
}
],
"sourceIdentifier": "sirt@juniper.net",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-119"
}
],
"source": "sirt@juniper.net",
"type": "Secondary"
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],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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