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CVE-2024-41176— Beckhoff: Local Denial of Service issue in package MDP included in TwinCAT/BSD

Quick assessment

Affected
Beckhoff MDP package
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.

Beckhoff TwinCAT/BSD是德国倍福（Beckhoff）公司的一款新型操作系统。 Beckhoff TwinCAT/BSD存在安全漏洞，该漏洞源于MPD包允许经过身份认证的、低权限本地攻击者通过精心构造的HTTP请求诱导守护进程进入拒绝服务状态，并在root用户上下文中执行代码。

CVSS 7.3 · High EPSS 0.27% · P17
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I. Basic Information for CVE-2024-41176

Vulnerability Information
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Vulnerability Title
Beckhoff: Local Denial of Service issue in package MDP included in TwinCAT/BSD
Source: CVE Program / CVE List V5
Vulnerability Description
The MPD package included in TwinCAT/BSD allows an authenticated, low-privileged local attacker to induce a Denial-of-Service (DoS) condition on the daemon and execute code in the context of user “root” via a crafted HTTP request.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
Vulnerability Title
Beckhoff TwinCAT/BSD 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Beckhoff TwinCAT/BSD是德国倍福（Beckhoff）公司的一款新型操作系统。 Beckhoff TwinCAT/BSD存在安全漏洞，该漏洞源于MPD包允许经过身份认证的、低权限本地攻击者通过精心构造的HTTP请求诱导守护进程进入拒绝服务状态，并在root用户上下文中执行代码。
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
Beckhoff MDP package 0 ~ 1.2.7.0 -
Beckhoff TwinCAT/BSD 0 ~ 14.1.2.0 -

II. Public POCs for CVE-2024-41176

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III. Intelligence Information for CVE-2024-41176

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Vendor Advisories for CVE-2024-41176 (1)

Same Patch Batch · Beckhoff · 2024-08-27 · 4 CVEs total

CVE-2024-41173 7.8 HIGH Beckhoff: Local authentication bypass in the IPC-Diagnostics package included in TwinCAT/B
CVE-2024-41174 7.3 HIGH Beckhoff: Improper input neutralization vulnerability in the IPC-Diagnostics package in Tw
CVE-2024-41175 5.5 MEDIUM Beckhoff: Local Denial-of-Service vulnerability in TwinCAT/BSD and the IPC-Diagnostics pac

IV. Related Vulnerabilities

Same vendor: Beckhoff
Same weakness: CWE-120

V. Comments for CVE-2024-41176

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