Input Validation and Unauthorized Access Vulnerabilities in Avaya SES SIP Server

Original Release Date: June 25, 2008
Last Revised: November 19, 2008
Number: ASA-2008-268
Risk Level: Medium
Advisory Version: 2.0
Advisory Status: Final

1. Overview:

The Web management interface on several versions of Avaya SIP Enablement Services (SES) was found to contain input validation vulnerabilities. This could potentially allow for a user of the Web management interface to execute arbitrary code.

The Web management interface on several versions of Avaya SIP Enablement Services (SES) was found to allow unauthorized access to several files. This could allow a remote user to view these files without being authenticated to the Web management interface.

Avaya would like to thank VoIPshield for reporting these issues. The notices from VoIPshield can be found at:

SES 5.0 and later were found not to be vulnerable to these issues.

2. Avaya System Products with SES Web Interface installed:

Product: Affected Version(s): Risk Level: Actions:
Avaya SIP Enablement Services 3.x, 4.0 Medium Upgrade to SES 5.0 or later

Recommended Actions:
For all vulnerable versions of Avaya SES, Avaya recommends that customers restrict local and network access to the server. This restriction should be enforced through the use of physical security, firewalls, ACLs, VPNs, and other generally-accepted networking practices until such time as the upgrade can be installed.

3. Additional Information:

Additional information may also be available via the Avaya support website and through your Avaya account representative. Please contact your Avaya product support representative, or dial 1-800-242-2121, with any questions.

4. Disclaimer:

ALL INFORMATION IS BELIEVED TO BE CORRECT AT THE TIME OF PUBLICATION AND IS PROVIDED "AS IS". AVAYA INC., ON BEHALF ITSELF AND ITS SUBSIDIARIES AND AFFILIATES (HEREINAFTER COLLECTIVELY REFERRED TO AS "AVAYA"), DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND FURTHERMORE, AVAYA MAKES NO REPRESENTATIONS OR WARRANTIES THAT THE STEPS RECOMMENDED WILL ELIMINATE SECURITY OR VIRUS THREATS TO CUSTOMERS' SYSTEMS. IN NO EVENT SHALL AVAYA BE LIABLE FOR ANY DAMAGES WHATSOEVER ARISING OUT OF OR IN CONNECTION WITH THE INFORMATION OR RECOMMENDED ACTIONS PROVIDED HEREIN, INCLUDING DIRECT, INDIRECT, INCIDENTAL, STATUTORY, CONSEQUENTIAL DAMAGES, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF AVAYA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

THE INFORMATION PROVIDED HERE DOES NOT AFFECT THE SUPPORT AGREEMENTS IN PLACE FOR AVAYA PRODUCTS. SUPPORT FOR AVAYA PRODUCTS CONTINUES TO BE EXECUTED AS PER EXISTING AGREEMENTS WITH AVAYA.

5. Revision History:

V 1.0 - June 25, 2008 - Initial Statement issued.
V 2.0 - November 19, 2008 - Changed recommended actions and ASA status to final.

Send information regarding any discovered security problems with Avaya products to either the contact noted in the product's documentation or securityalerts@avaya.com.

© 2008 Avaya Inc. All Rights Reserved. All trademarks identified by the ® or ™ are registered trademarks or trademarks, respectively, of Avaya Inc. All other trademarks are the property of their respective owners.