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AUSCERT External Security Bulletin Redistribution
ESB-2015.1248
Cisco Unity Connection CUCReports Page Cross-Site Request
Forgery Vulnerability
7 May 2015
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco Unity Connection
Publisher: Cisco Systems
Operating System: Cisco
VMware ESX Server
Impact/Access: Cross-site Request Forgery -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2015-0716
Original Bulletin:
http://tools.cisco.com/security/center/viewAlert.x?alertId=38675
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Vulnerability Alert
Cisco Unity Connection CUCReports Page Cross-Site Request Forgery
Vulnerability
Threat Type: CWE-352: Cross-Site Request Forgery (CSRF)
IntelliShield ID: 38675
Version: 1
First Published: 2015 May 05 18:02 GMT
Last Published: 2015 May 05 18:02 GMT
Port: Not available
CVE: CVE-2015-0716
Urgency: Unlikely Use
Credibility: Confirmed
Severity: Mild Damage
CVSS Base: 4.3
CVSS Version 2.0
CVSS Temporal: 3.6
Version Summary: Cisco Unity Connection contains a vulnerability that could
allow an unauthenticated, remote attacker to conduct cross-site request
forgery attacks. Updates are available.
Description
A vulnerability in the CUCReports page of Cisco Unity Connection could allow
an unauthenticated, remote attacker to perform a cross-site request forgery
(CSRF) attack against the CUCReports web interface.
The vulnerability is due to insufficient CSRF protections on the Cisco Unity
Connection web interface. An attacker could exploit this vulnerability by
persuading an authenticated user of the affected system to follow a malicious
link or visit an attacker-controlled website.
Cisco has confirmed the vulnerability and released software updates.
Warning Indicators
At the time this alert was first published, Cisco Unity Connection versions
11.0(0.98000.225) and 11.0(0.98000.332) were vulnerable. Other versions may
also be affected.
IntelliShield Analysis
To exploit the vulnerability, the attacker may provide a link that directs a
user to a malicious site and use misleading language or instructions to
convince the user to follow the link.
Cisco indicates through the CVSS score that functional exploit code exists;
however, the code is not known to be publicly available.
Vendor Announcements
Cisco has released bug ID CSCut33659 for registered users that contains
additional details and an up-to-date list of affected product versions.
Impact
An unauthenticated, remote attacker could exploit this vulnerability to take
unauthorized actions via the web browser with the privileges of the user. A
successful exploit could allow the attacker to conduct further attacks.
Technical Information
The vulnerability is due to insufficient CSRF protections on an affected
system.
An attacker could exploit this vulnerability by convincing a user of an
affected system to follow a malicious link or visit an attacker-controlled
website. A successful exploit could allow the attacker to perform unauthorized
actions via the web browser with the privileges of the user.
Safeguards
Administrators are advised to apply the appropriate updates.
Users should verify that unsolicited links are safe to follow.
For additional information about CSRF attacks and potential mitigation
methods, see the Cisco Applied Mitigation Bulletin Understanding Cross-Site
Request Forgery Threat Vectors.
Administrators are advised to monitor affected systems.
Patches/Software
Cisco customers with active contracts can obtain updates through the Software
Center at the following link: Cisco. Cisco customers without contracts can
obtain upgrades by contacting the Cisco Technical Assistance Center at
1-800-553-2447 or 1-408-526-7209 or via email at tac@cisco.com.
Alert History
Initial Release
Product Sets
The security vulnerability applies to the following combinations of products.
Primary Products:
Cisco Cisco Unity Connection 11.0 (0.98000.225), (0.98000.332)
Associated Products:
N/A
Alerts and bulletins on the Cisco Security Intelligence Operations Portal are
highlighted by analysts in the Cisco Threat Operations Center and represent a
subset of the comprehensive content that is available through Cisco Security
IntelliShield Alert Manager Service. This customizable threat and
vulnerability alert service provides security staff with access to timely,
accurate, and credible information about threats and vulnerabilities that may
affect their environment.
LEGAL DISCLAIMER
The urgency and severity ratings of this alert are not tailored to individual
users; users may value alerts differently based upon their network
configurations and circumstances. THE ALERT, AND INFORMATION CONTAINED
THEREIN, ARE PROVIDED ON AN "AS IS" BASIS AND DO NOT IMPLY ANY KIND OF
GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS
FOR A PARTICULAR USE. YOUR USE OF THE ALERT, AND INFORMATION CONTAINED
THEREIN, OR MATERIALS LINKED FROM THE ALERT, IS AT YOUR OWN RISK. INFORMATION
IN THIS ALERT AND ANY RELATED COMMUNICATIONS IS BASED ON OUR KNOWLEDGE AT THE
TIME OF PUBLICATION AND IS SUBJECT TO CHANGE WITHOUT NOTICE. CISCO RESERVES
THE RIGHT TO CHANGE OR UPDATE ALERTS AT ANY TIME.
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