enhancementhelp wanted
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Descrizione
Configuration
impacket version: 0.9.21 Python version: 3.7.7 Target OS: Ubuntu 18.04
Debug Output With Command String
i.e.
smbexec -debug domain/user:password@127.0.0.1
>>> d = tds.TDS_COLMETADATA(b"\x81\x01\x00\x00\x00\x00\x00\x08\x00\x38\x09\x41\x00\x70\x00\x70\x00\x74\x00\x43\x00\x6f\x00\x6c\x00\x6f\x00\x72\x00")
>>> tds.MSSQL('bla').parseColMetaData(d)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/home/user/.local/lib/python3.7/site-packages/impacket/tds.py", line 1439, in parseColMetaData
raise Exception("Unsupported data type: 0x%x" % colType)
Exception: Unsupported data type: 0x8
Additional context
This Column Metadata bytes was taken from pcap of TDS version 7.2.
As far as I understand, the problem is size of field userType:
- until TDS version 7.1, userType size is 2 bytes.
- since TDS version 7.2, userType size is 4 bytes.
The code of the library assume userType size is 2 bytes.