9.8Crítica KEV Usada en ransomware

CVE-2017-7494Samba Remote Code Execution Vulnerability

Samba samba Publicada: 2017-05-30 21:00 (hace 9 años)

Explotación conocida — Samba Remote Code Execution Vulnerability

CISA confirmó el 30.03.2023 que esta vulnerabilidad se usa en ataques reales. Plazo para las agencias federales de EE. UU.: 20.04.2023.

Acción requerida: Apply updates per vendor instructions. https://www.samba.org/samba/security/CVE-2017-7494.html; https://nvd.nist.gov/vuln/detail/CVE-2017-7494

Descripción

Samba since version 3.5.0 and before 4.6.4, 4.5.10 and 4.4.14 is vulnerable to remote code execution vulnerability, allowing a malicious client to upload a shared library to a writable share, and then cause the server to load and execute it.

Debilidad (CWE): CWE-94

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Fabricante	Producto	Versiones
debian	debian linux	8.0
Samba	samba	since 3.5.0

Referencias y parches

98636 vdb-entryThird Party AdvisoryVDB Entry
DSA-3860 vendor-advisoryThird Party Advisory
42084 exploitThird Party AdvisoryVDB Entry
RHSA-2017:1270 vendor-advisoryThird Party Advisory
https://www.samba.org/samba/security/CVE-2017-7494.html PatchVendor Advisory
https://download.schneider-electric.com/files?p_enDocType=Technical+leaflet&p_File_Name=SEVD-2018-095-01+Secu… Third Party Advisory
RHSA-2017:1390 vendor-advisoryThird Party Advisory
1038552 vdb-entryThird Party AdvisoryVDB Entry
RHSA-2017:1273 vendor-advisoryThird Party Advisory
RHSA-2017:1271 vendor-advisoryThird Party Advisory
GLSA-201805-07 vendor-advisoryThird Party Advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03759en_us Third Party Advisory
RHSA-2017:1272 vendor-advisoryThird Party Advisory
https://security.netapp.com/advisory/ntap-20170524-0001/ Third Party Advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03755en_us Third Party Advisory
42060 exploitThird Party AdvisoryVDB Entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-7494 US Government Resource

Coincidencias CPE (NVD) (5)

cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* ≥ 3.5.0 < 4.4.0
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* ≥ 4.4.0 < 4.4.14
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* ≥ 4.5.0 < 4.5.10
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* ≥ 4.6.0 < 4.6.4
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Puntuación CVSS

9.8Crítica

Fuente: CISA-ADP · CVSS 3.1

Vector de ataque: Red
Complejidad: Baja
Privilegios: Ninguno
Interacción del usuario: Ninguna
Alcance: Sin cambio
Confidencialidad: Alto
Integridad: Alto
Disponibilidad: Alto

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Todas las puntuaciones (4)

CISA-ADP	CVSS 3.1	9.8Crítica
nvd	CVSS 3.1	9.8Crítica
134c704f-9b21-4f2e-91b3-4a467353bcc0	CVSS 3.1	9.8Crítica
nvd	CVSS 2.0	10.0Alta

EPSS (probabilidad de explotación en 30 días)

99.45%

superior al 100 % de todas las CVE

Evaluación de CISA (SSVC)

Explotación: active
Automatizable: yes
Impacto técnico: total

Cronología

ID reservado2017-04-05
Publicada2017-05-30 21:00
Llegó a IP-DB2026-10-24 23:32
Añadida a KEV2023-03-30
Última actualización2026-06-17 04:24

Asignada por (CNA): redhat
Estado en NVD: Analyzed

Ver en la fuente: CVE.org · NVD

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