CVE-2018-6558
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I. Basic Information for CVE-2018-6558
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The pam_fscrypt module in fscrypt before 0.2.4 may incorrectly restore primary and supplementary group IDs to the values associated with the root user, which allows attackers to gain privileges via a successful login through certain applications that use Linux-PAM (aka pam).
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
fscrypt 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
fscrypt是一款用于管理Linux文件系统加密的工具，它主要用于管理元数据、秘钥生成、秘钥包装、PAM集成，并用于创建和修改机密目录的统一接口。 fscrypt 0.2.4之前版本中存在安全漏洞，该漏洞源于pam_fscrypt模块错误地将主要组ID和补充组ID恢复成与root用户关联的值。攻击者可借助使用Linux-PAM的应用程序完成登录后利用该漏洞提升权限。
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 |
|---|---|---|---|---|
| The fscrypt Project | fscrypt | before 0.2.4 | - |
II. Public POCs for CVE-2018-6558
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://github.com/google/fscrypt/issues/77x_refsource_MISC
- https://launchpad.net/bugs/1787548x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2018-6558
IV. Related Vulnerabilities
V. Comments for CVE-2018-6558
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