Cisco Unified Communications Domain Manager Remote Code Execution Vulnerability [CVE-2018-0124]
CVE Number = CVE-2018-0124
A vulnerability in Cisco Unified Communications Domain Manager could allow an unauthenticated, remote attacker to bypass security protections, gain elevated privileges, and execute arbitrary code.
The vulnerability is due to insecure key generation during application configuration. An attacker could exploit this vulnerability by using a known insecure key value to bypass security protections by sending arbitrary requests using the insecure key to a targeted application. An exploit could allow the attacker to execute arbitrary code.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-20180221-ucdm
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Vulnerable Products
This vulnerability affects Cisco Unified Communications Domain Manager releases prior to 11.5(2), including Cisco Unified Communications Domain Manager Classic releases 8.1.9 and prior.
To determine which release of the software is currently running on a device, administrators may use the app status command in the device CLI. The output of the command in the CLI is similar to the following example:
platform@CUCDM-11-5-1:~$ app status selfservice v11.5.1 (2017-05-22 14:39) |-node running voss-deviceapi v11.5.1 (2017-05-22 14:39) |-voss-cnf_collector running |-voss-wsgi running |-voss-queue running cluster v11.5.1 (2017-05-22 14:34) template_runner v0.0.0 mongodb v11.5.1 (2017-05-22 14:36) |-arbiter running |-database running support v11.5.1 (2017-05-22 14:36) snmp v11.5.1 (2017-05-22 14:36) |-daemon running (completed) |-traps running (completed) platform v11.5.1 (2017-05-22 14:37) nginx v11.5.1 (2017-05-22 14:36) |-proxy running services v11.5.1 (2017-05-22 14:34) |-wsgi running |-logs running |-firewall running |-mount running |-scheduler running |-syslog running (completed) |-time running (completed) security v11.5.1 (2017-05-22 14:37)
Products Confirmed Not Vulnerable
No other Cisco products are currently known to be affected by this vulnerability.
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There are no workarounds that address this vulnerability.
https://www.cisco.com/c/en/us/products/end-user-license-agreement.htmlAdditionally, customers may only download software for which they have a valid license, procured from Cisco directly, or through a Cisco authorized reseller or partner. In most cases this will be a maintenance upgrade to software that was previously purchased. Free security software updates do not entitle customers to a new software license, additional software feature sets, or major revision upgrades.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.
Customers Without Service Contracts
Customers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco TAC:
https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html
Customers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade.
Fixed Releases
The vulnerability is fixed in Cisco Unified Communications Domain Manager releases 11.5(2) and later.
The software can be downloaded from the Software Center on Cisco.com by navigating to Products > Unified Communications > Call Control > Hosted Collaboration > Hosted Collaboration Solution (HCS) > Hosted Collaboration Solution Version 11.5 > Unified Communications Domain Manager (CUCDM) Updates-11.5(2).
A patch for Cisco Unified Communications Domain Manager Classic release 8.1(9) ER1 can be downloaded from the Software Center on Cisco.com by navigating to Products > Unified Communications > Call Control > Hosted Collaboration > Hosted Collaboration Solution (HCS) > Hosted Collaboration Solution Version 11.5 > Unified Communications Domain Manager (CUCDM) Updates-8.1.9ER1.
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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.
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This vulnerability was found during internal security testing.
Duncan is a technology professional with over 20 years experience of working in various IT roles. He has a interest in cyber security, and has a wide range of other skills in radio, electronics and telecommunications.