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AUSCERT External Security Bulletin Redistribution
ESB-2019.2026
Cisco TelePresence Video Communication Server and Cisco Expressway Series
Server-Side Request Forgery Vulnerability
6 June 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco TelePresence Video Communication Server
Cisco Expressway Series
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Provide Misleading Information -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-1872
Original Bulletin:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190605-vcs
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Cisco TelePresence Video Communication Server and Cisco Expressway Series
Server-Side Request Forgery Vulnerability
Priority: Medium
Advisory ID: cisco-sa-20190605-vcs
First Published: 2019 June 5 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds availableCisco Bug IDs: CSCvj33774
CVE-2019-1872
CWE-918
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 TelePresence Video Communication Server (VCS) and
Cisco Expressway Series software could allow an unauthenticated, remote
attacker to cause an affected system to send arbitrary network requests.
The vulnerability is due to improper restrictions on network services in
the affected software. An attacker could exploit this vulnerability by
sending malicious requests to the affected system. A successful exploit
could allow the attacker to send arbitrary network requests sourced from
the affected system.
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-20190605-vcs
Affected Products
o Vulnerable Products
This vulnerability affects Cisco TelePresence VCS and Cisco Expressway
Series software.
For information about affected software releases, consult the Cisco bug ID
(s) at the top of this advisory.
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 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
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 internal security testing.
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-20190605-vcs
Revision History
o +---------+---------------------------+---------+--------+---------------+
| Version | Description | Section | Status | Date |
+---------+---------------------------+---------+--------+---------------+
| 1.0 | Initial public release. | - | Final | 2019-June-05 |
+---------+---------------------------+---------+--------+---------------+
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