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CVE-2015-0949

Quick assessment

Affected
Dell Latitude E6430
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.

BIOS（Basic Input-Output System，基本输出输入系统）是一组固化到计算机主板上的ROM芯片上的程序。System Management Mode（系统管理模式，SMM）是Intel在386SL之后引入x86体系结构的一种CPU的执行模式。 System Management Mode实现中存在安全漏洞，该漏洞源于程序无法确保函数调用在SMRAM内存位置上运行。本地攻击者可利用该漏洞绕过安全启动保护机制并获得权限。

AI Predicted 8.4 Difficulty: Moderate EPSS 0.39% · P32
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I. Basic Information for CVE-2015-0949

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The System Management Mode (SMM) implementation in Dell Latitude E6430 BIOS Revision A09, HP EliteBook 850 G1 BIOS revision L71 Ver. 01.09, and possibly other BIOS implementations does not ensure that function calls operate on SMRAM memory locations, which allows local users to bypass the Secure Boot protection mechanism and gain privileges by leveraging write access to physical memory.
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
System Management Mode实现安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
BIOS（Basic Input-Output System，基本输出输入系统）是一组固化到计算机主板上的ROM芯片上的程序。System Management Mode（系统管理模式，SMM）是Intel在386SL之后引入x86体系结构的一种CPU的执行模式。 System Management Mode实现中存在安全漏洞，该漏洞源于程序无法确保函数调用在SMRAM内存位置上运行。本地攻击者可利用该漏洞绕过安全启动保护机制并获得权限。
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
Dell Latitude E6430 BIOS Revision A09 -
HP EliteBook 850 G1 BIOS revision L71 Ver. 01.09 -

II. Public POCs for CVE-2015-0949

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III. Intelligence Information for CVE-2015-0949

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Vendor Advisories for CVE-2015-0949 (1)

IV. Related Vulnerabilities

Same vendor: Dell

V. Comments for CVE-2015-0949

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