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CVE-2024-7517— Privileged escalation via crafted use of portcfg command

Quick assessment

Affected
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.

Broadcom Fabric OS（FOS）是美国博通（Broadcom）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。 Broadcom Fabric OS 9.2.0c版本和9.2.1至9.2.1a版本存在命令注入漏洞，该漏洞源于命令注入，可能导致经过身份验证的本地攻击者通过精心构造的portcfg命令使用进行特权升级。

AI Predicted 5.5 Difficulty: Easy EPSS 0.62% · P48

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2024-7517

Vulnerability Information
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Vulnerability Title
Privileged escalation via crafted use of portcfg command
Source: CVE Program / CVE List V5
Vulnerability Description
A command injection vulnerability in Brocade Fabric OS before 9.2.0c, and 9.2.1 through 9.2.1a on IP extension platforms could allow a local authenticated attacker to perform a privileged escalation via crafted use of the portcfg command. This specific exploitation is only possible on IP Extension platforms: Brocade 7810, Brocade 7840, Brocade 7850 and on Brocade X6 or X7 directors with an SX-6 Extension blade installed. The attacker must be logged into the switch via SSH or serial console to conduct the attack.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Broadcom Fabric OS 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Broadcom Fabric OS（FOS）是美国博通（Broadcom）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。 Broadcom Fabric OS 9.2.0c版本和9.2.1至9.2.1a版本存在命令注入漏洞，该漏洞源于命令注入，可能导致经过身份验证的本地攻击者通过精心构造的portcfg命令使用进行特权升级。
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 Fabric OS Brocade Fabric OS versions before 9.2.0c, and 9.2.1 through 9.2.1a -

II. Public POCs for CVE-2024-7517

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III. Intelligence Information for CVE-2024-7517

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Same Patch Batch · Brocade · 2024-11-21 · 7 CVEs total

CVE-2022-43936 6.8 MEDIUM Brocade Fabric OS switch passwords when debugging is enabled
CVE-2022-43934 6.5 MEDIUM Weak Key-exchange algorithms
CVE-2022-43937 5.7 MEDIUM Brocade SANnav Information Disclosure Vulnerability
CVE-2022-43935 5.3 MEDIUM Switch passwords and authorization IDs are printed in the embedded MLS DB file
CVE-2022-43933 4.4 MEDIUM configuration secrets are logged in support-save
CVE-2024-10403 SFTP/FTP password could be captured in plain text in Supportsave generated from SANnav

IV. Related Vulnerabilities

Same product: Fabric OS
Same vendor: Brocade
Same weakness: CWE-78

V. Comments for CVE-2024-7517

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