Cisco Security Advisory
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CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:X/RL:X/RC:X
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A vulnerability in Cisco WebEx Meetings Server could allow an authenticated, remote attacker to execute predetermined shell commands on other hosts.
The vulnerability is due to insufficient security configurations of bash in interactive mode. An attacker could exploit this vulnerability by connecting to a host as root and then connecting to another host via SSH and issuing predetermined shell commands. A successful exploit could allow an attacker to execute commands as root on any other Cisco WebEx Meeting Server host.
Cisco has not released software updates that address this vulnerability. Workarounds that mitigate this vulnerability are not available.
This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170118-wms2
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Cisco WebEx Meetings Server is a highly secure, high-availability, fully virtualized, behind-the-firewall conferencing solution that combines audio, video, and web conferencing in a single solution. Cisco WebEx Meetings Server is optimized for the bring-your-own-device (BYOD) enterprise, so users can sign in more securely, host, and join meetings from mobile devices or Internet-connected PCs without requiring VPN access to the corporate network.
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There are no workarounds available.
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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.
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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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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.
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Show LessVersion Description Section Status Date 1.0 Initial public release. — Final 2017-January-18
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