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SugarCRM 9.0.1 Broken Access Controls

SugarCRM 9.0.1 Broken Access Controls
Posted Oct 11, 2019
Authored by EgiX | Site karmainsecurity.com

SugarCRM versions 9.0.1 and below suffer from multiple broken access control vulnerabilities.

tags | exploit, vulnerability
MD5 | 1168050e8aead52cc4050329687aece7

SugarCRM 9.0.1 Broken Access Controls

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SugarCRM <= 9.0.1 Multiple Broken Access Control Vulnerabilities
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[-] Software Link:

https://www.sugarcrm.com


[-] Affected Versions:

Version 9.0.1 and prior versions, 8.0.3 and prior versions.


[-] Vulnerabilities Description:

1) There is a Broken Access Control vulnerability with regards to the
"InboundEmail" module.
When handling the "Save" action the application fails to properly check
whether the user has
Admin access to the module, thus allowing any user to create a new
"InboundEmail" bean
regardless of their roles/permissions.

2) There is a Broken Access Control vulnerability with regards to the
"Trackers" module.
When handling the "trackersettings" action the application fails to
properly check whether
the user has Admin access to the module, thus allowing any user to
change Trackers'
settings regardless of their roles/permissions

3) There is a Broken Access Control vulnerability with regards to the
"Campaigns" module.
When handling the "WizardEmailSetupSave" action the application fails to
properly check
whether the user has Admin access to the module, thus allowing any user
to change Email
Setup for Campaigns regardless of their roles/permissions.

4) There is a Broken Access Control vulnerability with regards to the
"ModuleBuilder" module.
When the "view_module" parameter is set to an empty string, the
application fails to properly
check whether the user has permissions to access the module, thus
allowing any user to access
certain ModuleBuilder actions regardless of their roles.

5) There is a Broken Access Control vulnerability with regards to the
"Administration"
module. When handling the "SaveMerge" action within the "MergeRecords"
module the application
fails to properly check whether the user is a System Administrator, thus
allowing unauthorized
users to inject arbitrary "Administration" beans (which means arbitrary
values into the
"config" database table). Successful exploitation of this vulnerability
requires an user
account with Developer access to any module.

6) There is a Broken Access Control vulnerability with regards to the
"Administration" module.
When handling the "Save" action within the "EmailMan" module the
application allows unauthorized
users to modify administration settings by invoking the
"Administration::saveConfig()" method.
Successful exploitation of this vulnerability requires an user account
with Developer access
to the Emails or Campaigns modules.

7) There is a Broken Access Control vulnerability with regards to the
"Administration" module.
When handling the "WizardEmailSetupSave" action within the "Campaigns"
module the application
allows unauthorized users to modify administration settings by invoking
the
"Administration::saveConfig()" method.

8) There is a Local File Inclusion vulnerability within the
"add_to_prospect_list" function.
User input passed through the "parent_module" and "parent_type"
parameters is not properly
sanitized before being used in a call to the include() function. This
can be exploited to
include arbitrary .php files within the webroot and potentially bypass
authorization mechanisms
(for instance, by setting the "parent_module" parameter to
"Administration" and the "parent_type"
parameter to "expandDatabase" or any other action which does not
implement ACL checks).


[-] Solution:

Upgrade to version 9.0.2, 8.0.4, or later.


[-] Disclosure Timeline:

[07/02/2019] - Vendor notified
[01/10/2019] - Versions 9.0.2 and 8.0.4 released
[10/10/2019] - Publication of this advisory


[-] Credits:

Vulnerabilities discovered by Egidio Romano.


[-] Original Advisory:

http://karmainsecurity.com/KIS-2019-05


[-] Other References:

https://support.sugarcrm.com/Documentation/Sugar_Versions/9.0/Ent/Sugar_9.0.2_Release_Notes


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