https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5239
Summary: The CLDAP attribute value on a CLDAP reply is no
longer being decoded
Product: Wireshark
Version: 1.4.0
Platform: Other
OS/Version: Windows XP
Status: NEW
Severity: Major
Priority: Low
Component: Wireshark
AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
ReportedBy: fschorr@xxxxxxxxxxx
Build Information:
Version 1.4.0 (SVN Rev 34005 from /trunk-1.4)
Copyright 1998-2010 Gerald Combs <gerald@xxxxxxxxxxxxx> and contributors.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Compiled with GTK+ 2.16.6, (32-bit) with GLib 2.22.4, with WinPcap (version
unknown), with libz 1.2.3, without POSIX capabilities, without libpcre, with
SMI
0.4.8, with c-ares 1.7.1, with Lua 5.1, without Python, with GnuTLS 2.8.5, with
Gcrypt 1.4.5, with MIT Kerberos, with GeoIP, with PortAudio V19-devel (built
Aug
29 2010), with AirPcap.
Running on Windows XP Service Pack 3, build 2600, with WinPcap version 4.1.2
(packet.dll version 4.1.0.2001), based on libpcap version 1.0 branch 1_0_rel0b
(20091008), GnuTLS 2.8.5, Gcrypt 1.4.5, without AirPcap.
Built using Microsoft Visual C++ 9.0 build 30729
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A problem has shown up with the decoding of the AttributeValue for the
"netlogon" attribute in a CLDAP response. This problem showed up sometime
after Wireshark 1.3.5. I tested using 1.4.0 and 1.5.0-34154 and both showed
the same failure.
I'm attaching a capture to this bug report. The following examples are showing
the response in frame 4 in the capture.
In Wireshark 1.4.0 and 1.5.0-34154 the decode of frame 4 looks like:
Connectionless Lightweight Directory Access Protocol
LDAPMessage searchResEntry(1) "<ROOT>" [1 result]
messageID: 1
protocolOp: searchResEntry (4)
searchResEntry
objectName:
attributes: 1 item
PartialAttributeList item netlogon
type: netlogon
vals: 1 item
AttributeValue:
17000000fd03000057a2d80c69f5b846b1c6ed6dcf21d199...
The correct decode should look like:
Connectionless Lightweight Directory Access Protocol
LDAPMessage searchResEntry(1) "<ROOT>" [1 result]
messageID: 1
protocolOp: searchResEntry (4)
searchResEntry
objectName:
attributes: 1 item
PartialAttributeList netlogon
type: netlogon
vals: 1 item
Type: LOGON_SAM_LOGON_RESPONSE_EX (23)
Flags: 0x000003fd (Good Time Serv, Writable,
Closest, Time Serv, KDC, DS, LDAP, GC, PDC)
0... .... .... .... .... .... .... .... = FDC:
The NC is not the default forest NC (Windows 2008)
.0.. .... .... .... .... .... .... .... = DNC:
The NC is not the default NC (Windows 2008)
..0. .... .... .... .... .... .... .... = DNS:
Server name is not in DNS format (Windows 2008)
.... .... .... .... ...0 .... .... .... = WDC:
Domain controller is not a Windows 2008 writable NC
.... .... .... .... .... 0... .... .... = RODC:
Domain controller is not a Windows 2008 RODC
.... .... .... .... .... .0.. .... .... = NDNC:
Domain is NOT non-domain nc serviced by ldap server
.... .... .... .... .... ..1. .... .... = Good
Time Serv: This dc has a GOOD TIME SERVICE (i.e. hardware clock)
.... .... .... .... .... ...1 .... .... =
Writable: This dc is WRITABLE
.... .... .... .... .... .... 1... .... =
Closest: This is the CLOSEST dc
.... .... .... .... .... .... .1.. .... = Time
Serv: This dc is running TIME SERVICES (ntp)
.... .... .... .... .... .... ..1. .... = KDC:
This is a KDC (kerberos)
.... .... .... .... .... .... ...1 .... = DS:
This dc supports DS
.... .... .... .... .... .... .... 1... = LDAP:
This is an LDAP server
.... .... .... .... .... .... .... .1.. = GC:
This is a GLOBAL CATALOGUE of forest
.... .... .... .... .... .... .... ...1 = PDC:
This is a PDC
Domain GUID: 57A2D80C69F5B846B1C6ED6DCF21D199
Forest: duluth.local
Domain: duluth.local
Hostname: w2k3-dc.duluth.local
NetBios Domain: DULUTH
NetBios Hostname: W2K3-DC
Username:
Site: Default-First-Site
Client Site: Default-First-Site
Version: 5
LM Token: 0xffff
NT Token: 0xffff
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