CVE-2022-25326— Denial of Service in fscrypt
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I. Basic Information for CVE-2022-25326
Vulnerability Information
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Vulnerability Title
Denial of Service in fscrypt
Source: NVD (National Vulnerability Database)
Vulnerability Description
fscrypt through v0.3.2 creates a world-writable directory by default when setting up a filesystem, allowing unprivileged users to exhaust filesystem space. We recommend upgrading to fscrypt 0.3.3 or above and adjusting the permissions on existing fscrypt metadata directories where applicable.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Google Fscrypt 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Fscrypt是美国谷歌（Google）公司的一个开源高级工具。用于管理 Linux 本机文件系统加密。 Google fscrypt 0.3.0至0.3.2版本存在资源管理错误漏洞，该漏洞源于用户提供的输入没有充分验证。远程攻击者可利用该漏洞向应用程序传递专门制作的输入，并执行拒绝服务(DoS)攻击。
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 |
|---|---|---|---|---|
| Google LLC | fscrypt | unspecified ~ 0.3.2 | - |
II. Public POCs for CVE-2022-25326
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · Google LLC · 2022-02-25 · 4 CVEs total
| CVE-2022-0247 | 7.5 HIGH | Write access to VMO data through copy-on-write in Fuchsia |
| CVE-2022-25327 | 5.5 MEDIUM | Local Denial of Service in fscrypt PAM module |
| CVE-2022-25328 | 5.0 MEDIUM | Privilege escalation through command injection in fscrypt |
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V. Comments for CVE-2022-25326
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