| Bug ID |
8319
|
| Summary |
CAPWAP Header dissector returns invalid length
|
| Classification |
Unclassified
|
| Product |
Wireshark
|
| Version |
SVN
|
| Hardware |
x86
|
| OS |
All
|
| Status |
UNCONFIRMED
|
| Severity |
Major
|
| Priority |
Low
|
| Component |
Dissection engine (libwireshark)
|
| Assignee |
[email protected]
|
| Reporter |
[email protected]
|
Created attachment 9976 [details]
Sample of Cisco CAPWAP
Build Information:
--
The problem is when Wireshark dissect CAPWAP packets from Cisco without
preference "Cisco Wireless Controller Support"
In this case the whole packet decoded wrong, not only Wireless Specific
Information field in CAPWAP header
It is minor problem, but that preference is turned off by default, and it is
hard to get to it when you're just working with 802.11 frames and know nothing
about CAPWAP
I suggest following patch to dissect_capwap_header function to always return
correct length of CAPWAP header based on HLEN header field
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