ESB-2018.0397 - [Cisco] Cisco Spark: Access privileged data - Existing account 2018-02-08

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.0397
             Cisco Spark Information Disclosure Vulnerability
                              8 February 2018

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

Product:           Cisco Spark
Publisher:         Cisco Systems
Operating System:  Cisco
Impact/Access:     Access Privileged Data -- Existing Account
                   Denial of Service      -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-0119  

Original Bulletin: 
   https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180207-spark

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Cisco Spark Information Disclosure Vulnerability

Medium

Advisory ID: cisco-sa-20180207-spark

First Published: 2018 February 7 16:00 GMT

Version 1.0: Final

Workarounds: No workarounds available

Cisco Bug IDs: CSCvg05206

CVSS Score:
Base 4.7

CVE-2018-0119

CWE-284


Summary

A vulnerability in certain authentication controls in the account services of
Cisco Spark could allow an authenticated, remote attacker to interact with and
view information on an affected device that would normally be prohibited.

The vulnerability is due to the improper display of user-account tokens
generated in the system. An attacker could exploit this vulnerability by logging
in to the device with a token in use by another account. Successful exploitation
could allow the attacker to cause a partial impact to the device's
confidentiality, integrity, and availability.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180207-spark


Affected Products

Vulnerable Products This vulnerability affects Cisco Spark. For information
about affected software releases, consult the Cisco bug ID(s) at the top of this
advisory.  Products Confirmed Not Vulnerable No other Cisco products are
currently known to be affected by this vulnerability.


Workarounds

There are no workarounds that address this vulnerability.


Fixed Software

For information about fixed software releases, consult the Cisco bug ID(s) at
the top of this advisory.

When considering software upgrades, customers are advised to regularly consult
the advisories for Cisco products, which are available from the Cisco Security
Advisories and Alerts page, to determine exposure and a complete upgrade
solution.

In all cases, customers should ensure that the devices to be upgraded contain
sufficient memory and confirm that current hardware and software configurations
will continue to be supported properly by the new release. If the information is
not clear, customers are advised to contact the Cisco Technical Assistance
Center (TAC) or their contracted maintenance providers.


Exploitation and Public Announcements

The Cisco Product Security Incident Response Team (PSIRT) is not aware of any
public announcements or malicious use of the vulnerability that is described in
this advisory.


Source

This vulnerability was internally reported to Cisco.


URL

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180207-spark


Revision History

+---------+---------------------------+---------+--------+-------------------+
| Version |        Description        | Section | Status |       Date        |
+---------+---------------------------+---------+--------+-------------------+
| 1.0     | Initial public release.   | -       | Final  | 2018-February-07  |
+---------+---------------------------+---------+--------+-------------------+


Legal Disclaimer

THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF
GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS
FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS
LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE
OR UPDATE THIS DOCUMENT AT ANY TIME.

A standalone copy or paraphrase of the text of this document that omits the
distribution URL is an uncontrolled copy and may lack important information or
contain factual errors. The information in this document is intended for end
users of Cisco products.

- --------------------------END INCLUDED TEXT--------------------

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