ALERT Dell SupportAssist Client: Multiple vulnerabilities

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.1522
      Dell addresses security vulnerabilities in SupportAssist Client
                                3 May 2019

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Dell SupportAssist Client
Publisher:         Dell
Operating System:  Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Cross-site Request Forgery      -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-3719 CVE-2019-3718 

Original Bulletin: 
   https://www.dell.com/support/article/au/en/audhs1/sln316857/dsa-2019-051-dell-supportassist-client-multiple-vulnerabilities

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DSA-2019-051: Dell SupportAssist Client Multiple Vulnerabilities
	
CVE Identifier: CVE-2019-3718, CVE-2019-3719

Severity: High Severity Rating: CVSS Base Score: See below for NVD Scores

Affected products: Dell SupportAssist Client versions prior to 3.2.0.90.

Summary: Dell SupportAssist Client has been updated to address multiple
vulnerabilities which may be potentially exploited to compromise the system.

Details:

Improper Origin Validation (CVE-2019-3718) Dell SupportAssist Client versions
prior to 3.2.0.90 contain an improper origin validation vulnerability. An
unauthenticated remote attacker could potentially exploit this vulnerability to
attempt CSRF attacks on users of the impacted systems.  CVSSv3 Base Score: 7.6
(AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H)

Remote Code Execution Vulnerability (CVE-2019-3719) Dell SupportAssist Client
versions prior to 3.2.0.90 contain a remote code execution vulnerability. An
unauthenticated attacker, sharing the network access layer with the vulnerable
system, can compromise the vulnerable system by tricking a victim user into
downloading and executing arbitrary executables via SupportAssist client from
attacker hosted sites.  CVSSv3 Base Score: 7.1
(AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)

Resolution:

The following Dell SupportAssist Client release contains resolutions to these
vulnerabilities:

    Dell SupportAssist Client version 3.2.0.90 and later.

Dell recommends all customers upgrade at the earliest opportunity.

Link to remedies:

Customers can download software from
https://downloads.dell.com/serviceability/Catalog/SupportAssistInstaller.exe.

Credit:

Dell would like to thank John C. Hennessy-ReCar for reporting CVE-2019-3718 and
Bill Demirkapi for reporting CVE-2019-3719.

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