CVE-2017-18078
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.
systemd是德国软件开发者Lennart Poettering和其他人共同研发的一款基于Linux的系统和服务管理器，它兼容了SysV和LSB的启动脚本，且提供了一个用来表示系统服务间依赖关系的框架。 systemd 237之前版本中的systemd-tmpfiles存在安全漏洞，该漏洞源于fs.protected_hardlinks sysctl在关闭之后，程序仍可更改硬链接文件的所有权/权限。本地攻击者可利用该漏洞绕过访问限制。
Public Exploits 1
ExploitDB · 1
EDB-43935 [local]
Possible ATT&CK Techniques 1 AI
T1098 · Account Manipulation
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I. Basic Information for CVE-2017-18078
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
systemd-tmpfiles in systemd before 237 attempts to support ownership/permission changes on hardlinked files even if the fs.protected_hardlinks sysctl is turned off, which allows local users to bypass intended access restrictions via vectors involving a hard link to a file for which the user lacks write access, as demonstrated by changing the ownership of the /etc/passwd file.
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
systemd 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
systemd是德国软件开发者Lennart Poettering和其他人共同研发的一款基于Linux的系统和服务管理器，它兼容了SysV和LSB的启动脚本，且提供了一个用来表示系统服务间依赖关系的框架。 systemd 237之前版本中的systemd-tmpfiles存在安全漏洞，该漏洞源于fs.protected_hardlinks sysctl在关闭之后，程序仍可更改硬链接文件的所有权/权限。本地攻击者可利用该漏洞绕过访问限制。
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-2017-18078
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Exploits & Public PoCs for CVE-2017-18078 (2)
Mailing List Discussions for CVE-2017-18078 (6)
Other References for CVE-2017-18078 (1)
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https://github.com/systemd/systemd/issues/7736 x_refsource_MISC
Same Patch Batch · n/a · 2018-01-29 · 25 CVEs total
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| CVE-2018-6387 | iBall iB-WRA150N 安全漏洞 | |
| CVE-2018-6383 | Monstra CMS 安全漏洞 | |
| CVE-2018-6381 | ZZIPlib 缓冲区错误漏洞 | |
| CVE-2017-1000356 | CloudBees Jenkins 跨站请求伪造漏洞 | |
| CVE-2017-18079 | Linux kernel 安全漏洞 | |
| CVE-2017-1000354 | CloudBees Jenkins 安全漏洞 | |
| CVE-2017-1000353 | CloudBees Jenkins 代码问题漏洞 | |
| CVE-2017-14699 | 多款ASUS路由器安全漏洞 | |
| CVE-2017-14698 | 多款ASUS路由器安全漏洞 | |
| CVE-2018-6367 | Vastal I-Tech Buddy Zone Facebook Clone SQL注入漏洞 | |
| CVE-2018-6365 | TSiteBuilder SQL注入漏洞 | |
| CVE-2018-6364 | Multilanguage Real Estate MLM Script SQL注入漏洞 |
Showing top 20 of 25 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2017-18078
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