Vulnerability Note VU#952422

Cisco Identity Services Engine contains an input validation vulnerability

Original Release date: 28 Oct 2013 | Last revised: 12 Nov 2013

Overview

Cisco Identity Services Engine contains an input validation vulnerability (CWE-20).

Description

CWE-20: Improper Input Validation

Cisco Identity Services Engine (ISE) contains an input validation vulnerability. The ISE device contains a TCP Dump option for analyzing traffic on the device. By using a proxy to modify the HTTP request, a remote authenticated attacker can encode commands into the vulnerable format parameter which could allow them to run arbitrary code on the affected system with the privilege of the root user.

Impact

A remote authenticated attacker may be able to execute arbitrary code as root on the device.

Solution

Apply an Update

Users are advised to refer to the "Software Versions and Fixes" section of the Cisco Security Advisory for details on which update is appropriate for their version of the Identity Services Engine.

Vendor Information (Learn More)

VendorStatusDate NotifiedDate Updated
Cisco Systems, Inc.Affected20 Sep 201325 Oct 2013
If you are a vendor and your product is affected, let us know.

CVSS Metrics (Learn More)

Group Score Vector
Base 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C
Temporal 7.4 E:F/RL:OF/RC:C
Environmental 1.9 CDP:ND/TD:L/CR:ND/IR:ND/AR:ND

References

Credit

Thanks to Stephen Hosom for reporting this vulnerability. Cisco also credits Jan Kadijk from Warpnet for first directly reporting this vulnerability.

This document was written by Adam Rauf.

Other Information

  • CVE IDs: CVE-2013-5530
  • Date Public: 23 Oct 2013
  • Date First Published: 28 Oct 2013
  • Date Last Updated: 12 Nov 2013
  • Document Revision: 42

Feedback

If you have feedback, comments, or additional information about this vulnerability, please send us email.