SRC-2019-0035 : Cisco Prime Infrastructure XmpLogFilesDownloadServlet Directory Traversal Remote Code Execution Vulnerability

CVE ID:

CVE-2019-1823

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:

Cisco Prime Infrastructure

Vulnerability Details:

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Cisco Prime Infrastructure. Authentication is required to exploit this vulnerability.

The specific flaw exists within the XmpLogFilesDownloadServlet servlet. 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 execute code under the context of root.

Vendor Response:

Cisco has issued an update to correct these vulnerabilities. More details can be found at:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-pi-rce

Disclosure Timeline:

  • 2019-02-01 - Vulnerability reported to Cisco
  • 2019-05-02 - Vulnerability patched
  • 2019-05-15 - Coordinated public release of advisory

Credit:

This vulnerability was discovered by Steven Seeley (mr_me) of Source Incite