CVE-2023-4163— Possible buffer overflow in portcfgfportbuffers in Brocade Fabric OS
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I. Basic Information for CVE-2023-4163
Vulnerability Information
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Vulnerability Title
Possible buffer overflow in portcfgfportbuffers in Brocade Fabric OS
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Brocade Fabric OS before v9.2.0a, a local authenticated privileged user can trigger a buffer overflow condition, leading to a kernel panic with large input to buffers in the portcfgfportbuffers command.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Brocade Fabric OS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Brocade Fabric OS（FOS）是美国博科（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 Fabric OS v9.2.0a之前版本存在安全漏洞，该漏洞源于本地经过身份验证的特权用户可能会触发缓冲区溢出情况，从而导致 portcfgfportbuffers 命令中的缓冲区大量输入导致内核恐慌。
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 | Brocade Fabric OS | Fabric OS before v9.2.0a | - |
II. Public POCs for CVE-2023-4163
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Brocade · 2023-08-31 · 5 CVEs total
| CVE-2023-31424 | 8.1 HIGH | Web authentication and authorization bypass |
| CVE-2023-31423 | 5.7 MEDIUM | Possible information exposure through log file vulnerability |
| CVE-2023-31925 | 5.4 MEDIUM | Storage of clear text password in Brocade SANnav |
| CVE-2023-4162 | 4.4 MEDIUM | Segmentation fault in Brocade Fabric OS after Brocade Fabric OS v9.0 |
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Same weakness: CWE-120
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V. Comments for CVE-2023-4163
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