Hikvision VMS Password Recovery Vulnerability - Emailing Admin Passwords In Plain Text

Author: Michael Budalich, Published on Aug 28, 2017

Hikvision iVMS-4200 suffers from a vulnerability that allows anyone local, without authentication, to generate a code that Hikvision will respond by emailing the admin password in plain text.

This is different than the Hikvision recorder cracked security codes. Because it is for the iVMS-4200, exploiting this vulnerability would provide access to all devices connected to the iVMS-4200 including Hikvision cameras and recorders, as well as any 3rd party cameras connected through those recorders.

In this report we detail the vulnerability, explaining how it can be exploited and the security problems therein.

********* ****-**** ******* **** * ************* **** ****** ****** *****, without **************, ** ******** * **** **** ********* **** ******* by ******** *** ***** ******** ** ***** ****.

**** ** ********* **** ************ ******** ******* ******** *****. ******* ** ** *** *** ****-****, ********** **** ************* would ******* ****** ** *** ******* ********* ** *** ****-**** including ********* ******* *** *********, ** **** ** *** *** party ******* ********* ******* ***** *********.

** **** ****** ** ****** *** *************, ********** *** ** can ** ********* *** *** ******** ******** *******.

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

iVMS-4200 ******** *************

*** ****-**** ****** ******** * "****** ********" ******:

******** "****** ********" ******* ** "********* ******",***** *** ** ******* ** ********* ******* *** ******** ********:

****** ** **** ** '******* **** ******', ********* ******* ******* admin ********* ** ** ******* *** ******* ** ************** ** verification.

***** * ***** ****** (~** ******* ** *** *******), ********* support ****** *** ****-**** ******'* ***** ******** ** ***** ****:

Multiple ******** *****

***** *** * *** ******** *****:

  • ** ************** *** ************
  • *** ****'* ******** ** ******* **** ** ***** ****
  • ** ***** ** ******
  • ******* *********
  • *********** ********* *** ** *******

No ************** *** ************

****** *** *** **** ** ** * ******** **** ****-**** software *** *** *** ***** ******** ********. ***** ** ** email, ***** ****** ** *** ***** ******* ** ****** ** authenticate *** ********* ** **********. **** ** ****** *** ****** universally ******* *******.

Plain **** ********

******** *** ******** ** ***** **** ** ******* ********* ** basic ******** *********, **** ***** ***** **** ******** **** *** change ** **** ***. ****** *** *** ****** ** **** email, ****** ** *** ******** ** ******'* **** *** *** the ***** ******** *** *** ******.

No ***** ** ******

**** ******** ******** ******* **** ********* ******* **** **** **** than ******** ******** ******, ** ** ******** *** ****** ***** password ** ** ************ ******. **** ******** ***** *********, *** admin ******** **** ***** ** * *** *****, ******** ******** legitimate ***** **** ********* *** ** ***** **** ***** ******** stops *******.

Reusing *********

***** ******* ********* ****** ******* ** *** ********, ** ** common. ** *** ****** *** ***** *** ****-**** *********** **** the **** ***** ******** ** ***** ******* ** ************, *** attacker *** *** *** ***** ******** ** * ******* ** devices. **** ** *** ****-**** ***** ******** ** ******, ********* the ********* ******** *** ******* ***** **** *** *** **** chooses *********, ****** ** ****** ** **** ************ ****** ** other *******.

Recoverable ********* *** ** *******

*********'* '********* ******' *** *** ******** *** ** *******. ** independent ******** ******* *** **** ** ********* *** ********* ******* about *** ******* ****** * *** *****:

*** ***** ******** ** ********* **** *** ** *** ****, and ** **** ****** *******, ******* ****** "***" *** "***". This ** *********** *** *** **** ** ******* *** ******** upon ******* ***********. *** ** *** **** ** *********** ** a ********* ******** ******, ******** ** ******** ** ********* *** blocksize, ******, *** ******* ****** *** **********. ** * ******, the ******** ***** ** **** ** ********* *** ***/******** **** for ********** *** ***** **** ******* *** **** *********.

** *********'* ******** ********** ****** **** *******, ********* ***** ** revealed ******* *** **** ** ******* ********* *******, ****** ** even ****** *** ****** *** ****-**** ******* ** ** ***********.

Risk ** ********** ** ******** ********* *************

*** ***** ***** ******** ***** ***** *** **** **/****-**** ************, it ** *********** ********** ** ******** ****** *** ******** **** lower-level ***** ********* *** ***** ******** "********* ******" *** ******* it ** ********* ******* ** ******** *** ***** ********.

********* *** ****** ********** **** ********, ****** ** *********** *** larger *************, ********* ***** ********** ** **** ** ********* ********** admin ********* ******* **** *************.

Hikvision

**** ***** ********* ** ********* *** ***** *********/******** **** ****** in * ******* ****** ***** ********* ********* *** ***********, *** there ** * *** *** ***** ** ******* *** ******** recovery ** ****-****. ********* *** *********** ******* ** *** *********, but *** *** ***** * ********, ** ************ **** * response ***** ** ********.

******

***** ********* *** *** ******* ** *** ***** (**** ****** 24th), **** ******** * "******* ********" *** ******* ******* ** iVMS-4200 ***** (****** ****):

Mitigating ******** ******** ****

******* ********* ***** ** ** **** *** ** ************ **** to ******** ** ****-**** ***** ********, ***** ** *** *********** need ** ******* ******* ************ ****** ** *** ***********. ****** savers **** * **** ***** ******** *** ******** ****** *********** should ** **** ** ******* ************ ***** **** ********* *** app *** ********** *** ******** ***** ****.

Hikvsion **** ******** ********

*************** ****** ** "********** *** ********** ** *********** ********", ***** ******* *********** ***** *********. *************** **** **** ***** in*********'* ****** ***,***** ********,*******/*********, *** *** ** ***********. ***** ********** *************** **** **** the ******* **** *** ***** *********** ********/***** ******** ** * top ********, ****** * ********** ******* ** ********* ******** ** managing *********** ********. ** ** ****** ****** **** ***** ******* lines, **** ** ****** ******* ** *********, **** ******* *************** that *** ********* ** ****. ***** ** ********* ******** ** software ****** ******** ***** ******** **********, *** *** *********** ******* to ******* ******* ******** *** ******** ******* *************.

Comments (11)

(****** ********* ******* ******** ******** *** ***** ****)

***** ********* *** *** ******* ** *** ***** (**** ****** 24th), **** ******** * "******* ********" *** ******* ******* ** iVMS-4200 ***** (****** ****):

****-**** ******* ******** ********

** ******** ** ******** *** "****** ********" ********, ********* *** stopped ******* ******** ******** ********. * ******* ********* ***** **** report *** ******** ******** *** ********* ******** **** *********:

*** ******** *** *** **** ** ***** **** *** ********/******* was *******, *** *** **** ********* *********** *** ****** ******* with *** "******** ******** *********".

**** *****

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

...** ** **** ********* ** *** ***-*******.

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

** ** * *** ********. *********** ********** ****** *** ** be ******** **** * *** ** ****-****.

** ***** ***** ***** ** **, ***** *** ******* **********, blame *** *****-******** ******** **** *** **** (**) ***** ** Hik, ***** *** ******* **** ** **, ***** ** ********** that *** **** ******** *** *** ****** * ***-******** ********** of *** ******** *** *** ********* ******* *** '******** ** the ****' ********.

*****,

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

***, **** ******** ************* ******* *** ***-******* **** *** *******?

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

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

**** ** ***** ****** ** ****, ****** ********* *** **** few ********** *********.

***** ** ******** **** ********** ***** ***************** ***** ***-*******.

******* **** ****** *** ***-******* ** ***, ** **** ******* general ************ **** **** * ****** ***:

** *** ******* **, ********** ** **** ***** ********* ****** be *****, ************ *********, ********** ** ***, *** ***** ****-**** since ***-******* ** ***** ***.

** ******, ******* ***-******* ** ****** * *********** ** *** fact **** *********'* **** ************* ****** ******* ******** ***** ********* in ***** ****.

***** ** ******** **** ********** ***** ***************** ***** ***-*******.

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

**** *****

*** ***** ** ** * '**** *****' ** **** ***** passwords ** ***** **** ** ******?

*****, *** *** ******* ** *** **** *** **** *** these **** ** ********* ********** **** ********* *** ***** ******* are *** ******* ***** ***** ******** *** ****** ** ******** excuses.

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