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AUSCERT External Security Bulletin Redistribution
ESB-2016.0287
Cisco Jabber Guest Server HTTP Web-Based Management
Interface Cross-Site Scripting Vulnerability
4 February 2016
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco Jabber Guest Server
Publisher: Cisco Systems
Operating System: CentOS
Virtualisation
Impact/Access: Cross-site Scripting -- Remote with User Interaction
Resolution: Mitigation
CVE Names: CVE-2016-1311
Original Bulletin:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160203-jgs
Comment: AusCERT recommends users verify unsolicited links. In addition,
administrators should review access to the web interface.
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Cisco Jabber Guest Server HTTP Web-Based Management Interface Cross-Site
Scripting Vulnerability
Medium
Advisory ID:
cisco-sa-20160203-jgs
Published:
2016 February 3 20:15 GMT
Version 1.0:
Final
CVSS Score:
Base - 4.3
Workarounds:
No workarounds available
Cisco Bug IDs:
CSCuy08224
CVE-2016-1311
CWE-79
Summary
A vulnerability in the HTTP web-based management interface of the Cisco Jabber
Guest application could allow an unauthenticated, remote attacker to conduct a
cross-site scripting (XSS) attack against a user of the web interface.
The vulnerability is due to insufficient input validation of the HTTP host tag
parameter. An attacker could exploit this vulnerability by convincing a user
to click a specific link.
Additional information about XSS attacks and potential mitigations is at the
following links:
Understanding Cross-Site Scripting Threat Vectors
http://www.cisco.com/en/US/products/cmb/cisco-amb-20060922-understanding-xss.html
Cross-Site Scripting
https://www.owasp.org/index.php/Cross-site_Scripting_(XSS)
Cisco has not released software updates that address this vulnerability.
Workarounds that address this vulnerability are not available.
This advisory is available at the following link:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160203-jgs
Affected Products
Vulnerable Products
Cisco Jabber Guest Server version 10.6(8) 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.
Source
Cisco would like to thank security researcher Tom Donaldson for finding and
reporting this vulnerability.
URL
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160203-jgs
Revision History
Version Description Section Status Date
1.0 Initial public release Final 2016-February-03
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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