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ESB-2016.0361 - [Win][UNIX/Linux][Mobile] Cisco Spark: Multiple vulnerabilities

Date: 15 February 2016

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2016.0361
                        Cisco Spark Vulnerabilities
                             15 February 2016

===========================================================================

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

Product:           Cisco Spark
Publisher:         Cisco Systems
Operating System:  UNIX variants (UNIX, Linux, OSX)
                   Windows
                   Mobile Device
Impact/Access:     Modify Arbitrary Files -- Remote/Unauthenticated
                   Access Privileged Data -- Existing Account      
                   Denial of Service      -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-1324 CVE-2016-1323 CVE-2016-1322

Original Bulletin: 
   https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160210-sp1
   https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160210-sp2
   https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160210-sp3

Comment: This bulletin contains three (3) Cisco Systems security advisories.

- --------------------------BEGIN INCLUDED TEXT--------------------

Cisco Spark Representational State Transfer Interface Unauthorized Access 
Vulnerability

Medium

Advisory ID:

cisco-sa-20160210-sp1

Published:

2016 February 10 22:00 GMT

Version 1.0:

Final

CVSS Score:

Base - 5.0

Workarounds:

No workarounds available

Cisco Bug IDs:

CSCuv72584

CVE-2016-1322

CWE-264

Summary

A vulnerability in the Representational State Transfer (REST) interface of 
Cisco Spark could allow an unauthenticated, remote attacker to make changes to
an affected system.

The vulnerability is due to improper implementation of authorization controls
when accessing certain web pages of the application. An attacker could exploit
this vulnerability by accessing the web pages and creating unauthorized user 
accounts.

Cisco has released software updates that address this vulnerability. 
Workarounds that mitigate this vulnerability are not available.

This advisory is available at the following link: 
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160210-sp1

Affeceted Products

Vulnerable Products

Cisco Spark release 2015-07-04 is vulnerable.

Products Confirmed Not Vulnerable

No other Cisco products are currently known to be affected by this 
vulnerability.

Workarounds

Workarounds are not available.

Fixed Software

When considering software upgrades, customers are advised to consult the Cisco
Security Advisories and Responses archive at http://www.cisco.com/go/psirt and
review subsequent advisories 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.

URL

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160210-sp1

Revision History

Version Description 		Section Status 	Date

1.0 	Initial public release. -	Final 	2016-February-10

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.

- ---

Cisco Spark Representational State Transfer Interface Information Disclosure 
Vulnerability

Medium

Advisory ID:

cisco-sa-20160210-sp2

Published:

2016 February 10 22:00 GMT

Version 1.0:

Final

CVSS Score:

Base - 4.0

Workarounds:

No workarounds available

Cisco Bug IDs:

CSCuv84048

CVE-2016-1323

CWE-200

Summary

A vulnerability in the Representational State Transfer (REST) interface of 
Cisco Spark could allow an authenticated, remote attacker to view sensitive 
information from the underlying operating system.

The vulnerability is due to insufficient protections of sensitive data. An 
attacker could exploit this vulnerability by accessing a specific file and 
reading the sensitive information.

Cisco has released software updates that address this vulnerability. 
Workarounds that mitigate this vulnerability are not available.

This advisory is available at the following link: 
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160210-sp2

Affected Products

Vulnerable Products

Cisco Spark release 2015-06 is vulnerable.

Products Confirmed Not Vulnerable

No other Cisco products are currently known to be affected by this 
vulnerability.

Workarounds

Workarounds are not available.

Fixed Software

When considering software upgrades, customers are advised to consult the Cisco
Security Advisories and Responses archive at http://www.cisco.com/go/psirt and
review subsequent advisories 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.

URL

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160210-sp2

Revision History

Version Description 		Section Status Date

1.0 	Initial public release. -	Final 	2016-February-10

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.

- ---

Cisco Spark Representational State Transfer Interface Denial of Service 
Vulnerability

Medium

Advisory ID:

cisco-sa-20160210-sp3

Published:

2016 February 10 22:00 GMT

Version 1.0:

Final

CVSS Score:

Base - 5.0

Workarounds:

No workarounds available

Cisco Bug IDs:

CSCuv84125

CVE-2016-1324

Summary

A vulnerability in the Representational State Transfer (REST) interface of 
Cisco Spark could allow an unauthenticated, remote attacker to cause a denial
of service (DoS) condition on an affected device.

The vulnerability is due to missing authorization checks on certain 
administrative pages. An attacker could exploit this vulnerability by using 
certain pages to deny service of specific resources.

Cisco has released software updates that address this vulnerability. 
Workarounds that mitigate this vulnerability are not available.

This advisory is available at the following link: 
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160210-sp3

Affected Products

Vulnerable Products

Cisco Spark release 2015-06 is vulnerable.

Products Confirmed Not Vulnerable

No other Cisco products are currently known to be affected by this 
vulnerability.

Workarounds

Workarounds are not available.

Fixed Software

When considering software upgrades, customers are advised to consult the Cisco
Security Advisories and Responses archive at http://www.cisco.com/go/psirt and
review subsequent advisories 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.

URL

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160210-sp3

Revision History

Version Description 		Section Status 	Date

1.0 	Initial public release. -	Final 	2016-February-10

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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This security bulletin is provided as a service to AusCERT's members.  As
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        http://www.auscert.org.au/render.html?cid=1980

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
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