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CVE-2018-6439

Quick assessment

Affected
Brocade Communications Systems, Inc. Brocade Fabric OS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Brocade Fabric OS（FOS）是美国博科通讯系统（Brocade）公司的一套使用在交换机和路由器等设备中的嵌入式操作系统。 Brocade FOS中的命令行接口的configdownload命令存在安全漏洞。本地攻击者可利用该漏洞绕过受限制的shell并获取root访问权限。以下版本受到影响：Brocade FOS 8.2.1之前版本，8.1.2f之前版本，8.0.2f之前版本，7.4.2d之前版本。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.35% · P26

Affected Version Matrix 1

VendorProduct Version RangeStatus
Brocade Communications Systems, Inc. Brocade Fabric OS All versions prior to version 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d affected
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I. Basic Information for CVE-2018-6439

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A Vulnerability in the configdownload command of Brocade Fabric OS command line interface (CLI) versions before 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d could allow a local attacker to escape the restricted shell and, gain root access.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Brocade Fabric OS 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Brocade Fabric OS（FOS）是美国博科通讯系统（Brocade）公司的一套使用在交换机和路由器等设备中的嵌入式操作系统。 Brocade FOS中的命令行接口的configdownload命令存在安全漏洞。本地攻击者可利用该漏洞绕过受限制的shell并获取root访问权限。以下版本受到影响：Brocade FOS 8.2.1之前版本，8.1.2f之前版本，8.0.2f之前版本，7.4.2d之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Brocade Communications Systems, Inc. Brocade Fabric OS All versions prior to version 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d -

II. Public POCs for CVE-2018-6439

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III. Intelligence Information for CVE-2018-6439

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Other References for CVE-2018-6439 (1)

IV. Related Vulnerabilities

Same product: Brocade Fabric OS
Same vendor: Brocade Communications Systems, Inc.

V. Comments for CVE-2018-6439

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