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CVE-2023-27408

Quick assessment

Affected
Siemens SCALANCE LPE9403
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.

Siemens SCALANCE是德国西门子（Siemens）公司的一系列以太网交换机。可连接到工业控制系统 (ICS) 设备，包括可编程逻辑控制器 (PLC) 和人机界面 (HMI) 系统。 Siemens SCALANCE 存在安全漏洞，该漏洞源于 互斥文件是使用 的权限位创建的。此文件用作与 i2c 交互的多个应用程序的互斥量。这可能允许经过身份验证的攻击者访问受影响设备上的 SSH 接口，从而干扰互斥锁及其保护的数据的完整性。

CVSS 3.3 · Low EPSS 0.17% · P7
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I. Basic Information for CVE-2023-27408

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in SCALANCE LPE9403 (All versions < V2.1). The `i2c` mutex file is created with the permissions bits of `-rw-rw-rw-`. This file is used as a mutex for multiple applications interacting with i2c. This could allow an authenticated attacker with access to the SSH interface on the affected device to interfere with the integrity of the mutex and the data it protects.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
创建拥有不安全权限的临时文件
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens SCALANCE 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SCALANCE是德国西门子（Siemens）公司的一系列以太网交换机。可连接到工业控制系统 (ICS) 设备，包括可编程逻辑控制器 (PLC) 和人机界面 (HMI) 系统。 Siemens SCALANCE 存在安全漏洞，该漏洞源于`i2c` 互斥文件是使用 `-rw-rw-rw-` 的权限位创建的。此文件用作与 i2c 交互的多个应用程序的互斥量。这可能允许经过身份验证的攻击者访问受影响设备上的 SSH 接口，从而干扰互斥锁及其保护的数据的完整性。
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
Siemens SCALANCE LPE9403 All versions < V2.1 -

II. Public POCs for CVE-2023-27408

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III. Intelligence Information for CVE-2023-27408

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Vendor Advisories for CVE-2023-27408 (1)

Same Patch Batch · Siemens · 2023-05-09 · 15 CVEs total

CVE-2023-30899 9.9 CRITICAL Siemens Siveillance Video Mobile Server 代码问题漏洞
CVE-2023-30898 9.9 CRITICAL Siemens Siveillance Video Mobile Server 代码问题漏洞
CVE-2023-27407 9.9 CRITICAL Siemens SCALANCE 命令注入漏洞
CVE-2023-30986 7.8 HIGH Siemens Solid Edge 缓冲区错误漏洞
CVE-2023-28832 7.2 HIGH Siemens SIMATIC Cloud Connect 命令注入漏洞
CVE-2023-29104 6.0 MEDIUM Siemens SIMATIC Cloud Connect 路径遍历漏洞
CVE-2023-29105 5.9 MEDIUM Siemens SIMATIC Cloud Connect安全漏洞
CVE-2023-29107 5.3 MEDIUM Siemens SIMATIC Cloud Connect 安全漏洞
CVE-2023-29106 5.3 MEDIUM Siemens SIMATIC Cloud Connect 信息泄露漏洞
CVE-2023-29103 4.3 MEDIUM Siemens SIMATIC Cloud Connect 安全漏洞
CVE-2023-29128 3.8 LOW Siemens SIMATIC Cloud Connect 路径遍历漏洞
CVE-2023-30985 3.3 LOW Siemens Solid Edge 缓冲区错误漏洞
CVE-2023-27410 2.7 LOW Siemens SCALANCE 安全漏洞
CVE-2023-27409 2.5 LOW Siemens SCALANCE 路径遍历漏洞

IV. Related Vulnerabilities

Same product: SCALANCE LPE9403
Same vendor: Siemens
Same weakness: CWE-378

V. Comments for CVE-2023-27408

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