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AUSCERT External Security Bulletin Redistribution
ESB-2019.3367
Cisco Unified Contact Center Express Request Processing
Server-Side Request Forgery Vulnerability
5 September 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco Unified Contact Center Express
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Unauthorised Access -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-12633
Original Bulletin:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190904-unified-ccx-ssrf
- --------------------------BEGIN INCLUDED TEXT--------------------
Cisco Unified Contact Center Express Request Processing Server-Side Request
Forgery Vulnerability
Priority: Medium
Advisory ID: cisco-sa-20190904-unified-ccx-ssrf
First Published: 2019 September 4 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds availableCisco Bug IDs: CSCvp65375
CVE-2019-12633
CWE-20
CVSS Score:
5.3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:X
Summary
o A vulnerability in Cisco Unified Contact Center Express (Unified CCX) could
allow an unauthenticated, remote attacker to bypass access controls and
conduct a server-side request forgery (SSRF) attack on a targeted system.
The vulnerability is due to improper validation of user-supplied input on
the affected system. An attacker could exploit this vulnerability by
sending the user of the web application a crafted request. If the request
is processed, the attacker could access the system and perform unauthorized
actions.
Cisco has released software updates that address this vulnerability. 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-20190904-unified-ccx-ssrf
Affected Products
o Vulnerable Products
At the time of publication, this vulnerability affected Cisco Unified CCX
releases earlier than 11.6(2)ES04 or 12.0(1)SU0.1.
See the Details section in the bug ID(s) at the top of this advisory for
the most complete and current information.
Products Confirmed Not Vulnerable
Only products listed in the Vulnerable Products section of this advisory
are known to be affected by this vulnerability.
Workarounds
o There are no workarounds that address this vulnerability.
Fixed Software
o 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.
Fixed Releases
At the time of publication, Cisco Unified CCX releases 11.6(2)ES04, 12.0(1)
SU0.1, and later contained the fix for this vulnerability.
See the Details section in the bug ID(s) at the top of this advisory for
the most complete and current information.
Exploitation and Public Announcements
o 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
o This vulnerability was found during the resolution of a Cisco TAC support
case.
Cisco Security Vulnerability Policy
o To learn about Cisco security vulnerability disclosure policies and
publications, see the Security Vulnerability Policy . This document also
contains instructions for obtaining fixed software and receiving security
vulnerability information from Cisco.
URL
o https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/
cisco-sa-20190904-unified-ccx-ssrf
Revision History
o +---------+------------------------+---------+--------+-------------------+
| Version | Description | Section | Status | Date |
+---------+------------------------+---------+--------+-------------------+
| 1.0 | Initial public | - | Final | 2019-September-04 |
| | release. | | | |
+---------+------------------------+---------+--------+-------------------+
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