ESB-2017.1944 - [Cisco] Cisco Unified Communications Manager: Access confidential data - Existing account 2017-08-07

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.1944
  Cisco Unified Communications Manager Directory Traversal Vulnerability
                               7 August 2017

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

Product:           Cisco Unified Communications Manager
Publisher:         Cisco Systems
Operating System:  Cisco
Impact/Access:     Access Confidential Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-6758  

Original Bulletin: 
   https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170802-ucm1

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Cisco Unified Communications Manager Directory Traversal Vulnerability

Medium

Advisory ID:cisco-sa-20170802-ucm1

First Published: 2017 August 2 16:00  GMT

Version 1.0: Final

Workarounds:No workarounds available

Cisco Bug IDs: CSCve13796

CVSS Score: Base 4.3, Temporal 4.3
CVE-2017-6758
CWE-22

Summary

A vulnerability in the web framework of Cisco Unified Communications Manager
could allow an authenticated, remote attacker to access arbitrary files
in the context of the web root directory structure on an affected device.

The vulnerability is due to insufficient input validation by the affected
software. An attacker could exploit this vulnerability by using directory
traversal techniques to read files in the web root directory structure on
the Cisco Unified Communications Manager filesystem.

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-20170802-ucm1

Affected Products

Vulnerable Products

This vulnerability affects Cisco Unified Communications Manager. 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 found by an external researcher who does not want
to be named.

URL

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170802-ucm1

Revision History

Version		Description		Section	Status	Date
1.0		Initial public release.	--	Final	2017-August-02

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.

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