BSA-2017-348

Brocade Security Advisory ID

BSA-2017-348

Initial Publication Date

06/23/2017

Last Updated

09/08/2017

Revision

2.0: Interim

Risk Impact

High

Workaround

N/A

Component

StrongSwan

Affected CVE

CVE-2017-9023

CVSS Score

7.1

Summary

A denial-of-service vulnerability in the x509 plugin was discovered in strongSwan. All versions are affected. Incorrect Handling of CHOICE types in ASN.1 parser and x509 plugin ASN.1 CHOICE types are not correctly handled by the ASN.1 parser when parsing X.509 certificates with extensions that use such types. This could lead to infinite looping of the thread parsing a specifically crafted certificate. Affected are all strongSwan versions up to and including 5.5.2.

Affected Products

Brocade is investigating its product lines to determine which products may be affected by this vulnerability and the impact on each affected product.

Products Confirmed Not Vulnerable

Brocade Fabric OS, Brocade NetIron OS, Brocade Network Advisor, Brocade Network OS, Brocade ServerIronADX, Brocade Services Director, Brocade SLX-OS, Brocade Virtual ADX, Brocade Virtual Traffic Manager, and Brocade Virtual Web Application Firewall are confirmed not affected by this vulnerability.

Workaround

There are no workarounds that address this vulnerability.


Revision History

Version Change Date
1.0 Initial Publication June 23, 2017
2.0 Updated to address NOS September 8, 2017

Disclaimer

THIS DOCUMENT IS PROVIDED ON AN AS-IS BASIS SOLELY FOR INFORMATIONAL PURPOSES AND DOES NOT IMPLY ANY KIND OF GUARANTY OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. YOUR USE OF THE INFORMATION CONTAINED HEREIN IS AT YOUR OWN RISK. ALL INFORMATION PROVIDED HEREIN IS BASED ON BROCADE'S CURRENT KNOWLEDGE AND UNDERSTANDING OF THE VULNERABILITY AND IMPACT TO BROCADE HARDWARE AND SOFTWARE PRODUCTS. BROCADE RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.