Dahua Trying, Struggling To Respond To Hacking Attacks

Author: Brian Karas, Published on Oct 04, 2017

Now, 2 weeks since large-scale hacking attacks commenced against Dahua vulnerable devices, we analyze Dahua's response.

On the positive side, Dahua is clearly trying to respond, providing information and help to those impacted. However, Dahua is still struggling with a number of fundamental elements, including:

  • Unclear of what vulnerabilities is being used in the hacks
  • Unable to provide a complete list of models impacted
  • Releasing more firmware fixes but not certain that all models are covered
  • No post hacking dealer notice and misleading public statement
  • Delayed but improving OEM response

***, * ***** **********-***** ******* ******* ********* ******* ***** ********** *******, ** ******* *****'* ********.

** *** ******** ****, ***** ** ******* ****** ** *******, providing *********** *** **** ** ***** ********. *******, ***** ** still ********** **** * ****** ** *********** ********, *********:

  • ******* ** **** *************** ** ***** **** ** *** *****
  • ****** ** ******* * ******** **** ** ****** ********
  • ********* **** ******** ***** *** *** ******* **** *** ****** are *******
  • ** **** ******* ****** ****** *** ********** ****** *********
  • ******* *** ********* *** ********

[***************]

Cause ** ***** *******

***** ** ****** ** ******* ******* **** ************* ** ***** used ** *** *****. *** *******, ***** ***** ** **** vulnerability***-****-****, *******, **** ****** **** ***** ***** ** ******* ** impacted, *** ********* *** ******* ***** ******. ********, **** ****** is *********, ********** *** *** ***** ********, *** ********** *** ***** ********. ***** ***** ***** ** *******-**** ******** ****-**-***-******* ** *** ****** ******** ********.

*** ******* ** **** ***** *** ******** *************** **** ***** be **** **** *** ***** ** *** ***** ***** *** is.

  • *** ******** ******* ****** *************** ******** ** * ************* **** of *********, ***.
  • *** ****** ******* ***** *** * ******* ******** ** ******, and *** *****-***** ******, *** ** **** ******** ** **** from *** ***** *******, *** ********. *******, ****** ********* *** device *** ****** ** ****** ** ***** *** ****** ***** the ****** ******* ** ***** **** **** *** ****** ******.

*** ****** ******* ** *** **** ******** ***** ******* ** hacking ******* ********, ****** ***** *** *** **** ******** ** IPVM **** ** *** ************* ****. *******, ** *****'* **** public *************, ***** ***** ******* *********, ***** ***** ***** *** 888888 ******* *** ***** ***** ******* * ************* ** ** being ********* ********.

****** ***, *** **** ******* **** ****** ***** **** *** know ****** ** ****** ****** **** * ***** *********. *******, this *********** *** ******** ** ****** ******** ******** *************** ** one's ********.

Impacted ****** / ******** *******

***** ***** ****** ******* * ******** **** ** ****** ********, despite **** ***** * ******** **** ** *** ********** ******* that ***** *********** **** **** (*.*., ************ ********, ******* **** ******** ******** *************, ***.). **** ** * ******* ******* ** ***** ** hard *** ***** *** ******* ** ********** ***** ****** *** impacted *** ***** *** ***.

***** *** **** ** ****** **** ****** ***** *****, **** a******** ************ ****** ** ******* **********. *****, **** ************ **** "**** ** *** ********* ******* series *** ****** *** ********", ****** ** ******* ** ***** if * ******** ****** **** *** ******* ** ******** ******** or ***:

******** ******** ** ***** *** * **** **** ** ******** models **** **** *****.

************, *****'* ******* **** *** ******* ***** ******** ******** ** the ******** ****** *** **********. ***** **** ** ***** **** a ***** ******** ******** ********, **** **** ****** ******** *** their *****, **** ********* ** **** **** ** ******* ** not. ***** ******* *********** **** ******* ** ****** ******** ******** download ********* (*.*.:*****'* ************* ******** ********.***** ***'* ****), *** ***** ***** *******-******** ***-******.

**********, ***** ***** ** **** *********** *** * **** ** easily ********* ** ***** ******* ** ******** ** ***. ** contrast,********* ******** * ******* ************ *** * ****** ******** *************, ******* *** ******** ****** *** ******** ********, **** ***-****** download ***** *** *** ********.

Firmware ******* **** ***

***** ********* ***** ****** *** **************** ******** ******** **** ******* ********. ******** ** ********* **** ****** ** oldest, *** ***** ***** *** ****** * ******** ******* *****, such ** ***, ***, ***., ***** ** ** ****** / filter ******** ** **** ******** ******.

******-********** ******** **** ***** **** *** ***** ****** ***** *******, 2.6xx ******** *** ** *** ****** ***** *** *** ******* line, ***** ****** **** ** ** *.*** ** *.***. *** users **** ***** *********** ***/** ******** ******, **** ***** ** difficult ** ********* ** ***** **** ** ** ******** ******* checking **** *** ************ *** ****** ********.

***** *** *** **** ** ******* *** ******** ******** ******* that ********** ***** *** *************. ** ********, ********* *** **** to ******* *** **** ***** *.*.* *** ***** ******** ***** to ***** ********, ****** ** ****** ** ********* *************.

Notification ** ******* ** *******

***** *** *** ******** ******* ***** *** ***** *******, ***** is * ******* ******* ***** ******* ******* ** **** ** not ****** **** ****** ****** ** ****** ****** ******** ** change ******* ********, ***. ** ******** ******* *******. ** ********,*********, ****** **********, *** **** *** *************.

***** ****** **** ******** ******* ** ***** ** *** *************, both ** ***** *** ** ***** ****. ***** **** ******** notifications ******** ***** ** ******* ******** (**:***** ***** *, **** ******** ********), ****** **** ******* ***** ** **** ****** ********, *** do *** **** **** ** * ******* ******** ********** (**:******** ************ ****-******-**).

Misleading ************* ************

*****'* ***** ******* ********* ***** "****** ************* ***********"***** ** ******** ******* *** *** **** *************.

*** **** ***** ************ ************* ******** ** **** ************* ***** be ***** ****** ***** *********. **** ********* ** ***** ******** to ***** **** ** * ******* ****** ** * ****** of ********* *********, **** ** ** ******** ** *****-************ ********.

*** ***-**** ******** **** ***** ********** ***** ***** ** **** makes ** ***** **** **** ** *** **** *** ****** of ******* *********, ** *****'* ************* ****** ********* ** ********, and ***, *** ******** ** *** ****, ******* ** ******.

*****'* ******** ** ******** **** ************* ** ********* ************* *******, and ***** ***** **** ******* *********, ***** *** ******* ****** either **********, ** *********.

OEM ******

**** **** ********** ***** ****** ******* ******** *****, *******, **** the **** ****, ******* ******** **** ***** *** ********, ********* more ******* *** **** ***** ****** ********. ******** ** ********** ***** ******** ******* ********** **** ********* *** *********** **** OEMs ** ******* ****** ********. ** **** ***** ***** **** **** ******* ** ** help **** *****, ********* ***** ** ******* ******** **** ****** could *** **** **/*** ** ******** **** *****.

Dahua ************ ** *************

** ******** ****** **** ***** **** *******, ***** *** ***** an ****-****** *****, ***** ***** *** ****** *** ********* ************, or ** * ****** *****. **** ******** *** **** **** internet ******.

***** *** **** ****** **** **** ****** ** ******** ************* committee ** **** ******** **** **** ****** **** *****, *** to ***** **** ****** ******** ** *********, ***********, ** ***** organizations ** ************* ********.

*******

** *** ******** ****, ***** *** ******* ***** **** ** is ****** ** ******* *** ********** *********** *** ***** ****** for ***** ***************. ** *** ******** ****, ***** ********** ** responding ***** ** *********** ******** ** *** **** **** ************ developed ******** **** ***** ** **** *** **** ** ******* and ******* ******** ****** *** ********** *****.

*** ******* **** **** ***** ** ******* ******* ********* ***** problems. *******, ***** **** *** ****** * ******* ** ***** software *********** **********, ** ***** **** **** **** *** *********** efforts ** ******* **** *****.

Comments (29)

Undisclosed Manufacturer #1

10/04/17 05:39pm

**** * *********** **** ** ** ******* *** *****.

Undisclosed Manufacturer #2

10/04/17 07:13pm

***** **** ** ********** **** * **** ** ************* ******** because * *** ** ***** ******** *** *** ** ** them ** ******* ************* *** **** ****** ***'* **** ***** products *** ** **** ** ******** ***** * ************* ** disclosed?

John Honovich

IPVM | In reply to Undisclosed Manufacturer #2 | 10/04/17 07:52pm

*** **** **** ** **** ** ***** ******** *** ******** implies **** ***** **** ****** (***) ********, ****** **** ******** through ***** ******* *************.

** * ***** ** *********,**** *** ******** * **** **** ** ***** ***** ***** products ********, *** **** ***** ~** ******* (*******, ****, ****). ***** FLIR **** **** * ****** ** *****'* *********, **** ********* Dahua's ***** ********** ******* ** ** *** ******** ** ******.

*** **** ****, ******* ****, ***** ****** ****** *** * clear **** *** **** ** **** ** *** ******** ***** out ******* *********** ************** ******.

Undisclosed End User #3

10/04/17 07:58pm

**, * ***** *** ** *** ********* *** ** **** Dahua **** ** ** *** **** * ******?

John Honovich

IPVM | In reply to Undisclosed End User #3 | 10/04/17 08:08pm

**** ***** **** ** ** *** **** * ******?

****** *** ***** ***** **** **** **** ** ** **** guess.

Undisclosed End User #3

In reply to John Honovich | 10/04/17 08:20pm

***** *** ****

John Honovich

IPVM | In reply to Undisclosed End User #3 | 10/04/17 08:23pm

** *** ******** ****, * ** ***** *** ******* ******* from **** **** **** **** ****** ********** ********* ** **** in *** ******, *** **** **** *** ***** *** ******** real ***** ****** ** **** ****. *** **** *** ****** of ***** ****** ** **** **** *** ***** ******* *** OEM ******** **** **** *** **** ***********.

Undisclosed End User #3

In reply to John Honovich | 10/04/17 08:29pm

***'* **** **, "******* *******" ***** ******* ** ** ******** into *** ***** ***.

Undisclosed Manufacturer #6

In reply to Undisclosed End User #3 | 10/05/17 12:18pm

***** *** ******* ** ***** *** ************ ** ****** ****** and **** ******** ** ******* *** *** ******* ***** **** produced ***** ***** ****. **** ****** ****** ** ****** ***. Dahua *** ***** **** "***"

*** ******* *** *** ****** *********.

*** *** **** ******* ** ********** ** ** :)

Thumbnail newheadshot

Sean Nelson

Nelly Security | 10/04/17 09:33pm

*** **** **** ***** ****** ***** ** ** *****? ** if **** ****** ** * ******* ** ***** ** *** direct *** ** *** ********* ** **** ***** ** **** can **** **** *** **** *****.

Robert Shih

ENS Security | In reply to Sean Nelson | 10/04/17 10:22pm

*** *** **** *** **** *** ************ ** **** ****** to **** *** *****? ****?

Thumbnail newheadshot

Sean Nelson

Nelly Security | In reply to Robert Shih | 10/04/17 10:24pm

*** **** ****, *** ***!!

** *** *** ****** **** ** * ********* **** **** they *** **** ****** ** ****. * *** ******* *** that ***** ******* * **** ** ****** ****** ***'* **** they **** ***** *****.

Undisclosed #4

10/05/17 03:34am

****** ** ******. * ** *** **** **** ** **** you *****.

* * * * * * ** * * * K * * ! ! !

*** **** ******* ********!

Undisclosed End User #3

10/05/17 09:33am

****** ********* ******* ***-****-**** *** ****-**-***-**, ****** ***** ****** ** *** ********* ******.

John Honovich

IPVM | In reply to Undisclosed End User #3 | 10/05/17 12:11pm

****** ********* ******* ***-****-**** *** ****-**-***-**, ****** ***** ****** ** *** ********* ******.

******, * ******* **** ** *** ********* / ***** ** that *****'* ****** ***** ** **** ***** **** ***********-**-***-** *** *** ****** ***** ***.

** *** **** *** ***********-****-**** ** *** ** ******* ** **** ********?***-****-**** ** *****, ********* *** **** ****** ** ******* ** vulnerable, ** ** ** *******.

Undisclosed End User #3

In reply to John Honovich | 10/05/17 01:00pm

**** ***** * ****, ** **** **** *** ***** ***** post ***** ** ** ** *****.

** ****** *** ***, *** **** *** ** ** "*********" Git (** ********* **********).

**** ** *** ** ***, *** * **** *** ******* for *** ******.

Undisclosed #8

In reply to John Honovich | 10/05/17 02:44pm

********** ********, *** *** ** *** **** #* ** ******?

Undisclosed #11

In reply to Undisclosed #8 | 10/11/17 12:32am

********** ********, *** *** ** *** **** #* ** ******?

****'* * ***** *******:

Undisclosed Manufacturer #5

10/05/17 12:03pm

******* ******** ****** ***** ***** *** **** ******* ********* ** the ****** ** ******** ******** **** **** ********** *** ****.

***** * ******* **** **** **** *** ** *** ******* is ************* (** *****'* ****) **** ****** **** ** **** with ***** ******* *** *** ***** ** **** **********.

**** **** *** ******* **-*** ** ***** ***** ** *******! so ** *** ****** ** **** * ***** **-*** ** there ** **** ******** *** **** ** ******* ***** ******* hacking ******!

Undisclosed Manufacturer #1

In reply to Undisclosed Manufacturer #5 | 10/05/17 12:11pm

** ** *** ********** ** ***** ******** ******** ****’* ******* piss-poor, ****** ** ** ** ****-******.

Undisclosed Manufacturer #7

In reply to Undisclosed Manufacturer #5 | 10/05/17 02:38pm

**** **** ** *** ***% *** ******** ******* ****** *** holiday *** **** *** ** **** ****** ******* *********.

***** *** *** **** ** ******** ******* ** *** **** time ** ** **** ****** ***** ***** ******** **** **** the ****** **** ***. *** **** ** ** * **** in *****.

Undisclosed Manufacturer #5

In reply to Undisclosed Manufacturer #7 | 10/05/17 02:53pm

*** ***** *** **** ** *** **** ** ********* * international ********.

* ***** ********** ********* ******* ** **** **** * *** weeks ***. *** ** *******'* ** *** **** *********. **** Dahua ** ********* ** ******** ********* ***'* **** *** *******.

* ***'* ***** *** **** ****** ** *** **** ***** accept ** ***** ******** ***** **** ***** ** **** ********** for * **** ***** ****** *** ****. **** *** *** they ****** *** **** ** ** ***** ******** ******** ** always ****** ** *** ****** ** **** ******* **** *** 2 *****.

Undisclosed Manufacturer #10

In reply to Undisclosed Manufacturer #5 | 10/10/17 11:17pm

*** *** ***** ********. *** *** ******* ****** ****** ***** right ** *** ********* ** ** *** ****** ** *** Chinese *** **** ***.

Undisclosed Distributor #9

10/05/17 03:56pm

**** ***'* * ********* **********, **'* *** ****** ******* ** china **** ********* ***** **** ****** ***** ********. **'* ********* a ******* ************ ** ****** ********, ******* ** ******** ****** because ** **. *'** **** **** **** **** *** **** long ******** **** ****, **** **** ***** ***** **** * large ********** ** *** **** ***** ** ****, ***** ** other ****** ** ** *** ***********, *** **** ***'* **** back. **, ***** ****** **** **** *******, **** **** ** hire *** ******* *** ***** **** ***** *** **** ***** a ***** *** ******* ****** **********. * ***** *** **** leading ** ** ***** ******** *** ***** **** **** **'* a ***** **** ************ ** ****** ********.

Jay Hobdy

IPVMU Certified | In reply to Undisclosed Distributor #9 | 10/11/17 11:09am

***** **** **** ***** *********** ** **** ** *** *********** and **** **** *** ****

Undisclosed Manufacturer #12

In reply to Jay Hobdy | 10/20/17 03:12am

*********** *** ** * ****** ***** *** *** ***'* ****** production, ******* ******* *** *** ***** *********. **** **** ***** change ** * *** ******* ***** **** **** *****, *** this ** **** ***** *** ******* *** **** ******* **** is *** **** ******* ***** **** ** ****** ***** ****.

** **** *** ****** *** ** *** ******, *** **** time ** **** ******* ******-**** *** ******* *** *** ** pick *** ****** * ****** ***** ***** ** ********* *** factory *****.

$*.*

Robert Shih

ENS Security | 10/27/17 02:32pm

***, ***** ********* *** ** *** ******* ********* **** ** updating *** ****** ***** ** ********* *** ** ** ** speak. **** **** **** **** *** *** **** * ****. So ** ***** **** **** *** ******.

John Honovich

IPVM | In reply to Robert Shih | 10/27/17 09:34pm

***** ********* *** ** *** ******* ********* **** ** ******** our ****** ***** ** *********

******, **** ******** ******* *** **** ******** **? **** **** that ******** ******* ******* ** ***?

Robert Shih

ENS Security | In reply to John Honovich | 10/30/17 01:47pm

*** *********, *** *********:

  • ****************-************.***.*******.*.*.******
  • ****************-************.***.*******.*.*.******
  • ***************-***********.***.*******.*.*.******
  • ***************-*********.***.*******.*.*.********
  • *************************.***.*******.*.*.******
  • *************************.***.*******.*.*.******
  • *************************.***.*******.*.*.******
  • *************************.***.*******.*.*.******

* ** *** ***** **** *** ***** *******.

***** ********* ********* * *** ******** ********* **** ******** ******** policies. * **** *** ** ***** **** **** ******* *****.

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