Cisco Prime Collaboration Provisioning logconfigtracer Directory Traversal Information Disclosure Vulnerability

June 26th, 2017
ZDI-17-447 ZDI-CAN-4468

CVE ID

CVE-2017-6621

CVSS Score

7.8 AV:N/AC:L/Au:N/C:C/I:N/A:N

Affected Vendors

Cisco

Affected Products

Prime Collaboration Provisioning

Vulnerability Details


This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Cisco Prime Collaboration Provisioning. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the logconfigtracer.jsp page, which listens on TCP port 443 by default. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose any files accessible to the root user.

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-20170517-pcp2

Disclosure Timeline

  • 2017-02-01 - Vulnerability reported to vendor
  • 2017-06-26 - Coordinated public release of advisory

Credit

rgod

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