Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title Cisco Identity Services Engine contains an input validation vulnerability
Informations
Name VU#952422 First vendor Publication 2013-10-28
Vendor VU-CERT Last vendor Modification 2013-11-12
Severity (Vendor) N/A Revision M

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:S/C:C/I:C/A:C)
Cvss Base Score 9 Attack Range Network
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

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)

GroupScoreVector
Base9.0AV:N/AC:L/Au:S/C:C/I:C/A:C
Temporal7.4E:F/RL:OF/RC:C
Environmental1.9CDP:ND/TD:L/CR:ND/IR:ND/AR:ND

References

  • http://cwe.mitre.org/data/definitions/20.html
  • http://www.cisco.com/en/US/products/ps11640/index.html
  • http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131023-ise

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.

Original Source

Url : http://www.kb.cert.org/vuls/id/952422

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-78 Improper Sanitization of Special Elements used in an OS Command ('OS Command Injection') (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 7

Alert History

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0
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Date Informations
2013-12-14 17:18:07
  • Multiple Updates
2013-11-12 17:18:39
  • Multiple Updates
2013-11-11 13:36:13
  • Multiple Updates
2013-10-28 17:20:33
  • First insertion