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CVE-2023-32155— Tesla Model 3 bcmdhd Out-Of-Bounds Write Local Privilege Escalation Vulnerability

Quick assessment

Affected
Tesla Model 3
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.

Tesla Model 3是美国特斯拉（Tesla）公司的一款电动汽车。 Tesla Model 3 存在安全漏洞，该漏洞源于bcmdhd 驱动程序中存在特定缺陷，缺乏对用户提供的数据进行正确验证。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.22% · P11
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I. Basic Information for CVE-2023-32155

Vulnerability Information
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Vulnerability Title
Tesla Model 3 bcmdhd Out-Of-Bounds Write Local Privilege Escalation Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Tesla Model 3 bcmdhd Out-Of-Bounds Write Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected Tesla Model 3 vehicles. An attacker must first obtain the ability to execute code on the wifi subsystem in order to exploit this vulnerability. The specific flaw exists within the bcmdhd driver. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the kernel. . Was ZDI-CAN-20733.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Tesla Model 3 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tesla Model 3是美国特斯拉（Tesla）公司的一款电动汽车。 Tesla Model 3 存在安全漏洞，该漏洞源于bcmdhd 驱动程序中存在特定缺陷，缺乏对用户提供的数据进行正确验证。
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
Tesla Model 3 Model 3 - 2023.6 -

II. Public POCs for CVE-2023-32155

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III. Intelligence Information for CVE-2023-32155

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Vendor Advisories for CVE-2023-32155 (1)

Same Patch Batch · Tesla · 2024-05-03 · 3 CVEs total

CVE-2023-32156 Tesla Model 3 Gateway Firmware Signature Validation Bypass Vulnerability
CVE-2023-32157 Tesla Model 3 bsa_server BIP Heap-based Buffer Overflow Arbitrary Code Execution Vulnerabi

IV. Related Vulnerabilities

Same product: Model 3
Same vendor: Tesla
Same weakness: CWE-787

V. Comments for CVE-2023-32155

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