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)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

$*.*

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

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

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

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

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

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

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

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