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CVE-2023-32156— Tesla Model 3 Gateway Firmware Signature Validation Bypass 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，该漏洞源于固件更新中存在特定缺陷，在更新过程中错误处理不当，攻击者利用该漏洞可以在 Tesla 网关 ECU 的上下文中执行代码。

AI Predicted 5.8 Difficulty: Moderate EPSS 0.43% · P35
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I. Basic Information for CVE-2023-32156

Vulnerability Information
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Vulnerability Title
Tesla Model 3 Gateway Firmware Signature Validation Bypass Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Tesla Model 3 Gateway Firmware Signature Validation Bypass Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected Tesla Model 3 vehicles. An attacker must first obtain the ability to execute privileged code on the Tesla infotainment system in order to exploit this vulnerability. The specific flaw exists within the handling of firmware updates. The issue results from improper error-handling during the update process. An attacker can leverage this vulnerability to execute code in the context of Tesla's Gateway ECU. . Was ZDI-CAN-20734.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
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，该漏洞源于固件更新中存在特定缺陷，在更新过程中错误处理不当，攻击者利用该漏洞可以在 Tesla 网关 ECU 的上下文中执行代码。
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
Tesla Model 3 Model 3 - 2023.6 -

II. Public POCs for CVE-2023-32156

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III. Intelligence Information for CVE-2023-32156

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Vendor Advisories for CVE-2023-32156 (1)

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

CVE-2023-32155 Tesla Model 3 bcmdhd Out-Of-Bounds Write Local Privilege Escalation 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-367

V. Comments for CVE-2023-32156

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