115 lines
3.5 KiB
Python
115 lines
3.5 KiB
Python
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#coding: utf-8
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# +-------------------------------------------------------------------
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# | YakPanel
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# +-------------------------------------------------------------------
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# | Copyright (c) 2015-2099 YakPanel(www.yakpanel.com) All rights reserved.
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# +-------------------------------------------------------------------
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# | Author: hwliang <hwl@yakpanel.com>
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# +-------------------------------------------------------------------
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#--------------------------------
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# 修复polkit提权漏洞(CVE-2021-4034)
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#--------------------------------
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import os,sys
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os.chdir("/www/server/panel")
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sys.path.insert(0,'class/')
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import public
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upgrade_log_file = '/www/server/panel/logs/upgrade_polkit.log'
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log_msg = "A polkit (CVE-2021-4034) privilege escalation vulnerability has been detected in the system and has been fixed for you!"
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def write_log(msg):
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global upgrade_log_file
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public.writeFile(upgrade_log_file,"[{}] - {}".format(public.format_date(),msg),'a+')
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def is_yum():
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if os.path.exists('/usr/bin/yum'):
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return True
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return False
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def is_dnf():
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if os.path.exists('/usr/bin/dnf'):
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return True
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return False
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def is_apt():
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if os.path.exists('/usr/bin/apt'):
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return True
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return False
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def upgrade_by_yum():
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global upgrade_log_file,log_msg
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res = public.ExecShell("rpm -q polkit")[0]
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if res.startswith('polkit-'):
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os.system("yum -y update polkit &> {}".format(upgrade_log_file))
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res2 = public.ExecShell("rpm -q polkit")[0]
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if res == res2:
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write_log("Repair failed, please execute the command manually: yum -y update polkit")
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return False
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public.WriteLog('Vulnerability Repair',log_msg)
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return True
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return False
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def upgrade_by_dnf():
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global upgrade_log_file,log_msg
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res = public.ExecShell("rpm -q polkit")[0]
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if res.startswith('polkit-'):
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os.system("dnf -y update polkit &> {}".format(upgrade_log_file))
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res2 = public.ExecShell("rpm -q polkit")[0]
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if res == res2:
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write_log("Repair failed, please execute the command manually: dnf -y update polkit")
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return False
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public.WriteLog('Vulnerability Repair',log_msg)
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return True
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return False
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def upgrade_by_apt():
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global upgrade_log_file,log_msg
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res = public.ExecShell("dpkg -l policykit-1|grep policykit-1|awk '{print $3}'")[0]
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if res.startswith('0.105'):
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os.system("apt-get -y install policykit-1 &> {}".format(upgrade_log_file))
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res2 = public.ExecShell("dpkg -l policykit-1|grep policykit-1|awk '{print $3}'")[0]
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if res == res2:
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write_log("Repair failed, please execute the command manually: apt-get -y install policykit-1")
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return False
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public.WriteLog('Vulnerability Repair',log_msg)
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return True
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return False
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def check():
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tip_file = '/www/server/panel/data/upgrade_polkit.pl'
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if os.path.exists(tip_file):
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return
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write_log("Fixing the privilege escalation vulnerability of polkit (CVE-2021-4034)...")
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if is_yum():
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upgrade_by_yum()
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elif is_dnf():
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upgrade_by_dnf()
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elif is_apt():
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upgrade_by_apt()
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else:
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return
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public.writeFile(tip_file,'True')
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if __name__ == "__main__":
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tip_file = '/www/server/panel/data/upgrade_polkit_run.pl'
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if os.path.exists(tip_file):
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print("The program is running, exit!")
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sys.exit(1)
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public.writeFile(tip_file,'True')
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try:
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check()
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except:
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pass
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finally:
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if os.path.exists(tip_file): os.remove(tip_file)
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