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CVE-2020-14372

Quick assessment

Affected
n/a grub2
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

grub2是GNU社区的一款Linux系统引导程序。 grub2 存在安全漏洞，该漏洞源于acpi命令允许特权用户执行以下操作：启用安全启动后，加载精心制作的ACPI表。以下产品和版本受到影响：grub2 in versions prior to 2.06.

AI Predicted 5.6 Difficulty: Hard EPSS 1.74% · P77
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I. Basic Information for CVE-2020-14372

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in grub2 in versions prior to 2.06, where it incorrectly enables the usage of the ACPI command when Secure Boot is enabled. This flaw allows an attacker with privileged access to craft a Secondary System Description Table (SSDT) containing code to overwrite the Linux kernel lockdown variable content directly into memory. The table is further loaded and executed by the kernel, defeating its Secure Boot lockdown and allowing the attacker to load unsigned code. The highest threat from this vulnerability is to data confidentiality and integrity, as well as system availability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不完整的黑名单
Source: CVE Program / CVE List V5
Vulnerability Title
grub2 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
grub2是GNU社区的一款Linux系统引导程序。 grub2 存在安全漏洞，该漏洞源于acpi命令允许特权用户执行以下操作：启用安全启动后，加载精心制作的ACPI表。以下产品和版本受到影响：grub2 in versions prior to 2.06.
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
- grub2 grub 2.06 -

II. Public POCs for CVE-2020-14372

# POC Description Source Link Shenlong Link
1 Write-up and proof of concept exploit for CVE-2020-14372 https://github.com/kukrimate/CVE-2020-14372 POC Details
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III. Intelligence Information for CVE-2020-14372

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Vendor Advisories for CVE-2020-14372 (4)

Mailing List Discussions for CVE-2020-14372 (1)

Same Patch Batch · n/a · 2021-03-03 · 36 CVEs total

CVE-2021-23347 4.7 MEDIUM Cross-site Scripting (XSS)
CVE-2020-28597 Epignosis EfrontPro 安全漏洞
CVE-2020-25632 grub2 资源管理错误漏洞
CVE-2021-20225 grub2 缓冲区错误漏洞
CVE-2021-20233 grub2 缓冲区错误漏洞
CVE-2020-29047 WordPress 代码问题漏洞
CVE-2021-22877 Nextcloud 访问控制错误漏洞
CVE-2021-22878 Nextcloud Server 跨站脚本漏洞
CVE-2020-8296 Nextcloud 安全漏洞
CVE-2021-21978 VMware View Planner 代码问题漏洞
CVE-2020-27749 grub2 缓冲区错误漏洞
CVE-2020-28591 Slic3r 缓冲区错误漏洞
CVE-2020-13558 WebKitGTK 资源管理错误漏洞
CVE-2021-22681 Rockwell Automation RSLogix 500 和 Logix Designer Studio 5000 安全漏洞
CVE-2021-27839 Online Invoicing System 注入漏洞
CVE-2021-27935 AdGuard 安全漏洞
CVE-2021-27931 LumisXP 代码问题漏洞
CVE-2021-27940 openark orchestrator 跨站脚本漏洞
CVE-2021-22666 FATEK FvDesigner 缓冲区错误漏洞
CVE-2021-27923 Pillow 输入验证错误漏洞

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

IV. Related Vulnerabilities

Same product: grub2
Same vendor: n/a
Same weakness: CWE-184

V. Comments for CVE-2020-14372

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