CVE-2022-3675
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I. Basic Information for CVE-2022-3675
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Fedora CoreOS supports setting a GRUB bootloader password using a Butane config. When this feature is enabled, GRUB requires a password to access the GRUB command-line, modify kernel command-line arguments, or boot non-default OSTree deployments. Recent Fedora CoreOS releases have a misconfiguration which allows booting non-default OSTree deployments without entering a password. This allows someone with access to the GRUB menu to boot into an older version of Fedora CoreOS, reverting any security fixes that have recently been applied to the machine. A password is still required to modify kernel command-line arguments and to access the GRUB command line.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Fedora 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fedora是Fedora社区的一套Linux操作系统。 Fedora CoreOS存在安全漏洞，该漏洞源于其允许引导非默认的OSTree部署而不需要输入密码。这允许访问GRUB菜单的用户引导到较老版本的Fedora CoreOS，恢复最近应用到机器上的任何安全修复程序。
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 |
|---|---|---|---|---|
| Fedora Project | CoreOS | testing 36.20220906.2.0 and later ~ testing 36.20221030.2.0 | - |
II. Public POCs for CVE-2022-3675
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same weakness: CWE-20
V. Comments for CVE-2022-3675
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