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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.0035.2 Cisco Data Center Network Manager JBoss EAP Unauthorized Access Vulnerability 16 January 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco Data Center Network Manager (DCNM) Publisher: Cisco Systems Operating System: Windows Linux variants Virtualisation Impact/Access: Unauthorised Access -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-15999 Original Bulletin: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200102-dcnm-unauth-access Revision History: January 16 2020: Vendor updated to note that proof-of-concept exploit code is available. January 3 2020: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco Data Center Network Manager JBoss EAP Unauthorized Access Vulnerability Priority: Medium Advisory ID: cisco-sa-20200102-dcnm-unauth-access First Published: 2020 January 2 16:00 GMT Last Updated: 2020 January 15 15:57 GMT Version 1.1: Final Workarounds: No workarounds available Cisco Bug IDs: CSCvs00139 CVE-2019-15999 CWE-284 CVSS Score: 5.4 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:X/RL:X/RC:X Summary o A vulnerability in the application environment of Cisco Data Center Network Manager (DCNM) could allow an authenticated, remote attacker to gain unauthorized access to the JBoss Enterprise Application Platform (JBoss EAP) on an affected device. The vulnerability is due to an incorrect configuration of the authentication settings on the JBoss EAP. An attacker could exploit this vulnerability by authenticating with a specific low-privilege account. A successful exploit could allow the attacker to gain unauthorized access to the JBoss EAP, which should be limited to internal system accounts. 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-20200102-dcnm-unauth-access Affected Products o Vulnerable Products At the time of publication, this vulnerability affected Cisco DCNM software releases earlier than Release 11.3(1) for Microsoft Windows, Linux, and virtual appliance platforms. 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 DCNM Software releases 11.3(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. To download the software from the Software Center on Cisco.com, do the following: 1. Click Browse All . 2. Choose Cloud and Systems Management > Data Center Infrastructure Management > Data Center Network Manager . 3. Choose a release from the left pane of the Data Center Network Manager page. Exploitation and Public Announcements o The Cisco Product Security Incident Response Team (PSIRT) is aware that proof-of-concept exploit code is available for the vulnerability that is described in this advisory. Cisco PSIRT is not aware of any malicious use of the vulnerability that is described in this advisory. Source o Cisco would like to thank Harrison Neal of PatchAdvisor 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-20200102-dcnm-unauth-access Revision History o +---------+--------------------+---------------+--------+-----------------+ | Version | Description | Section | Status | Date | +---------+--------------------+---------------+--------+-----------------+ | | Updated | Exploitation | | | | 1.1 | information about | and Public | Final | 2020-January-15 | | | the availability | Announcements | | | | | of exploit code. | | | | +---------+--------------------+---------------+--------+-----------------+ | 1.0 | Initial public | - | Final | 2020-January-02 | | | release. | | | | +---------+--------------------+---------------+--------+-----------------+ - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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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). 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