Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2019.3726
Cisco Security Manager Java Deserialization Vulnerability
4 October 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco Security Manager
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-12630
Original Bulletin:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191002-sm-java-deserial
- --------------------------BEGIN INCLUDED TEXT--------------------
Cisco Security Manager Java Deserialization Vulnerability
Priority: Medium
Advisory ID: cisco-sa-20191002-sm-java-deserial
First Published: 2019 October 2 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds availableCisco Bug IDs: CSCvj29055
CVE-2019-12630
CWE-20
CVSS Score:
6.5 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:X/RL:X/RC:X
Summary
o A vulnerability in the Java deserialization function used by Cisco Security
Manager could allow an unauthenticated, remote attacker to execute
arbitrary commands on an affected device.
The vulnerability is due to insecure deserialization of user-supplied
content by the affected software. An attacker could exploit this
vulnerability by sending a malicious serialized Java object to a specific
listener on an affected system. A successful exploit could allow the
attacker to execute arbitrary commands on the device with the privileges of
casuser .
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-20191002-sm-java-deserial
Affected Products
o Vulnerable Products
At the time of publication, this vulnerability affected Cisco Security
Manager releases earlier than Release 4.18.
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 Java Management Extension Remote Method Invocation (JMX RMI) uses port 1099
by default. To mitigate this vulnerability, disable the JMX RMI service.
The preferred method is to upgrade Cisco Security Manager to Release 4.18
or later. If this cannot be done, contact the Cisco Technical Assistance
Center (TAC) for a script to edit the registry to disable the JMX RMI port.
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 TAC
or their contracted maintenance providers.
Fixed Releases
At the time of publication, Cisco Security Manager releases 4.18 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 Cisco would like to thank Francisco Ribeiro of Google for reporting this
vulnerability.
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-20191002-sm-java-deserial
Revision History
o +---------+--------------------------+---------+--------+-----------------+
| Version | Description | Section | Status | Date |
+---------+--------------------------+---------+--------+-----------------+
| 1.0 | Initial public release. | - | Final | 2019-October-02 |
+---------+--------------------------+---------+--------+-----------------+
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967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=aKDB
-----END PGP SIGNATURE-----