Advisory Details

January 3rd, 2020

Cisco Data Center Network Manager importTS Command Injection Remote Code Execution Vulnerability

CVE ID	CVE-2019-15979
CVSS SCORE	8.8, AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS	Cisco
AFFECTED PRODUCTS	Data Center Network Manager
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on affected installations of Cisco Data Center Network Manager. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the processing of requests to the importTS endpoint of the SanWSService/SanWS service. When parsing the certFile parameter, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.
ADDITIONAL DETAILS	Cisco has issued an update to correct this vulnerability. More details can be found at: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200102-dcnm-comm-inject
DISCLOSURE TIMELINE	2019-09-26 - Vulnerability reported to vendor 2020-01-03 - Coordinated public release of advisory
CREDIT	Steven Seeley (mr_me) of Source Incite

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