SRC-2019-0083 : Cisco Prime Infrastructure Health Monitor HA TarArchive Command Injection Remote Code Execution Vulnerability

CVE ID:

CVE-2019-15958

CVSS Score:

9.8, (AV:N/AC:L/PR:N/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 not required to exploit this vulnerability.

The specific flaw exists within the TarArchive class. The issue results from the lack of proper validation of a user-supplied path prior to using it in a system call. 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-20191106-pi-epn-codex

Disclosure Timeline:

  • 2019-02-01 - Vulnerability reported to Cisco
  • 2019-11-09 - Vulnerability patched
  • 2019-11-09 - Coordinated public release of advisory

Proof of Concept:

/pocs/src-2019-0034.py.txt

Credit:

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