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CVE-2015-3170

Quick assessment

Affected
n/a n/a
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.

SELinux（Security-Enhanced Linux）是美国国家安全局（NSA）和SCC（Secure Computing Corporation）共同开发的一个基于Linux系统的强制访问控制安全模块。selinux-policy是其中的一个Linux安全引擎引导规则。 selinux-policy中存在安全漏洞。本地攻击者可通过对/etc/passwd创建硬链接并更新selinux-policy利用该漏洞造成拒绝服务（无法使用SSH登录）。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.27% · P18

Possible ATT&CK Techniques 2 AI

T1562.002 T1531.001
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I. Basic Information for CVE-2015-3170

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
selinux-policy when sysctl fs.protected_hardlinks are set to 0 allows local users to cause a denial of service (SSH login prevention) by creating a hardlink to /etc/passwd from a directory named .config, and updating selinux-policy.
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
selinux-policy 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SELinux（Security-Enhanced Linux）是美国国家安全局（NSA）和SCC（Secure Computing Corporation）共同开发的一个基于Linux系统的强制访问控制安全模块。selinux-policy是其中的一个Linux安全引擎引导规则。 selinux-policy中存在安全漏洞。本地攻击者可通过对/etc/passwd创建硬链接并更新selinux-policy利用该漏洞造成拒绝服务（无法使用SSH登录）。
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
- n/a n/a -

II. Public POCs for CVE-2015-3170

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III. Intelligence Information for CVE-2015-3170

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Vendor Advisories for CVE-2015-3170 (1)

Same Patch Batch · n/a · 2017-07-21 · 26 CVEs total

CVE-2015-3931 Microsec e-Szigno 安全漏洞
CVE-2017-11519 TP-Link Archer C9(UN) 安全漏洞
CVE-2017-11517 Geutebrueck Gcore server 缓冲区错误漏洞
CVE-2017-11516 Yii Framework 跨站脚本漏洞
CVE-2017-7542 Linux kernel 输入验证错误漏洞
CVE-2017-11505 ImageMagick 安全漏洞
CVE-2017-9415 Subsonic 跨站请求伪造漏洞
CVE-2015-5300 NTP 输入验证漏洞
CVE-2015-5219 NTP 代码问题漏洞
CVE-2015-5195 NTP 输入验证错误漏洞
CVE-2015-5194 NTP 输入验证错误漏洞
CVE-2015-4639 Koha Libraries 跨站请求伪造漏洞
CVE-2015-3932 Netlock Mokka 安全漏洞
CVE-2017-10993 Contao 安全漏洞
CVE-2015-3886 libinfinity 安全漏洞
CVE-2015-3640 phpMyBackupPro 安全漏洞
CVE-2015-3639 phpMyBackupPro 安全漏洞
CVE-2015-3638 phpMyBackupPro 安全漏洞
CVE-2015-3421 WordPress eShop插件安全漏洞
CVE-2015-3198 Red Hat WildFly Undertow模块安全漏洞

Showing top 20 of 26 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2015-3170

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