Advisory Details

January 3rd, 2020

Cisco Data Center Network Manager getSwitchsDataLength SQL Injection Information Disclosure Vulnerability

ZDI-20-115
ZDI-CAN-9340

CVE ID CVE-2019-15984
CVSS SCORE 7.5, (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
AFFECTED VENDORS Cisco
AFFECTED PRODUCTS Data Center Network Manager
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Cisco Data Center Network Manager. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the processing of requests to the getSwitchsDataLength endpoint of the /DbInventoryWSService/DbInventoryWS service. When parsing the colFilterStr parameter in the getLanSwitchDataLength method, the process does not properly validate a user-supplied string before using it to construct SQL queries. An attacker could leverage this vulnerability to disclose stored credentials, leading to further compromise.

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-sql-inject
DISCLOSURE TIMELINE
  • 2019-10-22 - Vulnerability reported to vendor
  • 2020-01-03 - Coordinated public release of advisory
CREDIT Steven Seeley (mr_me) of Source Incite
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