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CVE-2018-3968

Quick assessment

Affected
n/a Das U-Boot
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.

Das U-Boot是一款主要用于嵌入式系统的开机加载程序。该程序支持PPC、ARM、AVR32、MIPS、x86、68k、Nios与MicroBlaze等多种不同的计算机系统结构。 Das U-Boot存在数据伪造问题漏洞。本地攻击者可通过提交镜像利用该漏洞绕过验证启动保护功能，运行未签名的内核。

AI Predicted 4.4 Difficulty: Moderate EPSS 0.28% · P18

Possible ATT&CK Techniques 1 AI

T1556 · Modify Authentication Process
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I. Basic Information for CVE-2018-3968

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An exploitable vulnerability exists in the verified boot protection of the Das U-Boot from version 2013.07-rc1 to 2014.07-rc2. The affected versions lack proper FIT signature enforcement, which allows an attacker to bypass U-Boot's verified boot and execute an unsigned kernel, embedded in a legacy image format. To trigger this vulnerability, a local attacker needs to be able to supply the image to boot.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Das U-Boot 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Das U-Boot是一款主要用于嵌入式系统的开机加载程序。该程序支持PPC、ARM、AVR32、MIPS、x86、68k、Nios与MicroBlaze等多种不同的计算机系统结构。 Das U-Boot存在数据伪造问题漏洞。本地攻击者可通过提交镜像利用该漏洞绕过验证启动保护功能，运行未签名的内核。
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
- Das U-Boot Das U-Boot 2013.07-rc1 to 2014.07-rc2 OCTEON-SDK 3.1.2 to 5.1 CUJO Smart Firewall - Firmware version 7003 -

II. Public POCs for CVE-2018-3968

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III. Intelligence Information for CVE-2018-3968

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Other References for CVE-2018-3968 (1)

Same Patch Batch · n/a · 2019-03-21 · 36 CVEs total

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CVE-2019-9914 WordPress yop-poll插件跨站脚本漏洞
CVE-2019-9915 GetSimpleCMS 安全漏洞
CVE-2018-3985 CUJO Smart Firewall 资源管理错误漏洞
CVE-2019-9894 PuTTY 加密问题漏洞

Showing top 20 of 36 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Das U-Boot
Same vendor: n/a

V. Comments for CVE-2018-3968

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