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AUSCERT External Security Bulletin Redistribution
ESB-2015.3212
Cisco Unified Communications Manager Web Applications Identity Management
Subsystem Denial of Service Vulnerability
23 December 2015
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco Unified Communications Manager Web Applications
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2015-6425
Original Bulletin:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151215-ucmim
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Cisco Unified Communications Manager Web Applications Identity Management
Subsystem Denial of Service Vulnerability
Medium
Advisory ID:
cisco-sa-20151215-ucmim
Published:
2015 December 15 16:38 GMT
Version 1.0:
Final
CVSS Score:
Base - 5.0
Workarounds:
No workarounds available
Cisco Bug IDs:
CSCul83786
CVE-2015-6425
CWE-399
A vulnerability in the Identity Management subsystem used by the
WebApplications of Cisco Unified Communications Manager (Cisco UCM) software
could allow an unauthenticated, remote attacker to cause a denial of service
(DoS) condition.
The vulnerability is due to invalid session requests. An attacker could
exploit this vulnerability by sending invalid session tokens to the subsystem
of an affected system. A successful exploit could allow the attacker to cause
a DoS condition for a specific application. The affected subsystem would need
to be restarted.
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-20151215-ucmim
Vulnerable Products
Cisco Unified Communications Manager version 10.5(0.98000.88) is vulnerable.
Products Confirmed Not Vulnerable
No other Cisco products are currently known to be affected by this
vulnerability.
Workarounds are not available.
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.
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.
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151215-ucmim
Version Description Section Status Date
1.0 Initial public release - Final 2015-December-15
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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