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CVE-2018-6441

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。Secure Shell是其中的一个数据加密传输组件。 Brocade FOS中的Secure Shell实现过程存在安全漏洞。本地攻击者可通过提供任意环境变量利用该漏洞绕过限制。以下版本受到影响：Brocade Fabric OS 8.2.1之前的版本，8.1.2f之前的版本，8.0.2f之前的版本，7.4.2d之前的版本。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.39% · P31

Possible ATT&CK Techniques 1 AI

T1059.004 · Unix Shell
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I. Basic Information for CVE-2018-6441

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in Secure Shell implementation of Brocade Fabric OS versions before 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d could allow a local attacker to provide arbitrary environment variables, and bypass the restricted configuration shell.
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 Secure Shell 安全漏洞
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。Secure Shell是其中的一个数据加密传输组件。 Brocade FOS中的Secure Shell实现过程存在安全漏洞。本地攻击者可通过提供任意环境变量利用该漏洞绕过限制。以下版本受到影响：Brocade Fabric OS 8.2.1之前的版本，8.1.2f之前的版本，8.0.2f之前的版本，7.4.2d之前的版本。
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-2018-6441

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III. Intelligence Information for CVE-2018-6441

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Other References for CVE-2018-6441 (1)

Same Patch Batch · Brocade Communications Systems, Inc. · 2018-11-08 · 8 CVEs total

CVE-2018-6433 Brocade Fabric OS 安全漏洞
CVE-2018-6434 Brocade Fabric OS Web管理界面安全漏洞
CVE-2018-6435 Brocade Fabric OS 安全漏洞
CVE-2018-6436 Brocade Fabric OS 安全漏洞
CVE-2018-6437 Brocade Fabric OS 安全漏洞
CVE-2018-6438 Brocade Fabric OS 安全漏洞
CVE-2018-6442 Brocade Fabric OS 安全漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2018-6441

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