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AUSCERT External Security Bulletin Redistribution
ESB-2019.4187
Cisco Managed Services Accelerator Open Redirect Vulnerability
7 November 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco Managed Services Accelerator
Publisher: Cisco Systems
Operating System: Cisco
Virtualisation
Impact/Access: Provide Misleading Information -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-15974
Original Bulletin:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191106-msa-open-redirect
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Cisco Managed Services Accelerator Open Redirect Vulnerability
Priority: Medium
Advisory ID: cisco-sa-20191106-msa-open-redirect
First Published: 2019 November 6 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds availableCisco Bug IDs: CSCvr02093
CVE-2019-15974
CWE-601
CVSS Score:
4.7 AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N/E:X/RL:X/RC:X
Summary
o A vulnerability in the web interface of Cisco Managed Services Accelerator
(MSX) could allow an unauthenticated, remote attacker to redirect a user to
a malicious web page.
The vulnerability is due to improper input validation of the parameters of
an HTTP request. An attacker could exploit this vulnerability by
intercepting a user's HTTP request and modifying it into a request that
causes the web interface to redirect the user to a specific malicious URL.
A successful exploit could allow the attacker to redirect a user to a
malicious web page.
This type of vulnerability is known as an o pen redirect attack and is used
in phishing attacks that get users to unknowingly visit malicious sites.
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-20191106-msa-open-redirect
Affected Products
o Vulnerable Products
At the time of publication, this vulnerability affected Cisco MSX releases
earlier than Release 3.7.0.
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 MSX releases 3.7.0 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-20191106-msa-open-redirect
Revision History
o +---------+-------------------------+---------+--------+------------------+
| Version | Description | Section | Status | Date |
+---------+-------------------------+---------+--------+------------------+
| 1.0 | Initial public release. | - | Final | 2019-November-06 |
+---------+-------------------------+---------+--------+------------------+
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