| Bug ID |
10351
|
| Summary |
MySQL: decoding COM_CHANGE_USER from new clients fails
|
| Classification |
Unclassified
|
| Product |
Wireshark
|
| Version |
Git
|
| Hardware |
All
|
| OS |
All
|
| Status |
UNCONFIRMED
|
| Severity |
Minor
|
| Priority |
Low
|
| Component |
Dissection engine (libwireshark)
|
| Assignee |
[email protected]
|
| Reporter |
[email protected]
|
Created attachment 12963 [details]
sample packets
Build Information:
Paste the COMPLETE build information from "Help->About Wireshark", "wireshark
-v", or "tshark -v".
--
Wireshark fails to properly decode COM_CHANGE_USER from newer (5.6+) clients.
This is because:
1. The auth-response is <len><authresponse> if the SECURE_CONNECTION capability
is set (instead of <authresponse><NUL>
2. The packet might have:
- Connection attributes
- Authentication plugin data
--- Python code to send a COM_CHANGE_USER packet -------
#!/usr/bin/python
import mysql.connector
a = mysql.connector.connect(user='msandbox',password='msandbox',port=5619)
a.cmd_change_user(username='root',password='msandbox')
---------------------------------------------------------
http://dev.mysql.com/doc/internals/en/com-change-user.html
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