Alert Type

PSN - Product Support Notification

Product Affected

These issues can affect any product or platform running ScreenOS 6.2.0r15 through 6.2.0r18 and 6.3.0r12 through 6.3.0r20. Affected platforms include SSG, ISG, ISG-IDP, NS5000 and NS5GT.

Alert Description

Please review the following Juniper Security Alerts to determine if you may be impacted:

JSA10712 [juniper.net] - 2015-12 Out of Cycle Security Bulletin: ScreenOS: Crafted SSH negotiation may trigger system crash (CVE-2015-7754)
http://kb.juniper.net/JSA10712 [juniper.net] .

JSA10713 [juniper.net]
- 2015-12 Out of Cycle Security Bulletin: ScreenOS: Multiple Security issues with ScreenOS (CVE-2015-7755)
http://kb.juniper.net/JSA10713 [juniper.net] .

     NOTE : JSA10713 [juniper.net] has been updated to provide more specific details on which release is affected by a known vulnerability identified in the alert.


If you are running an affected release, please read this document in it’s entirely to ensure a successful upgrade.

Solution


RECOMMENDED SOFTWARE UPGRADE: <o:p>

Affected Release <o:p>

Recommended Release (select version to download) <o:p>

6.2.0 <o:p>

<o:p>  

6.2.0r15

6.2.0r19

6.2.0r16

6.2.0r19

6.2.0r17

6.2.0r19

6.2.0r18

6.2.0r19

6.3.0 <o:p>

<o:p>  

6.3.0r12

6.3.0r12b

6.3.0r13

6.3.0r13b

6.3.0r14

6.3.0r14b

6.3.0r15

6.3.0r15b

6.3.0r16

6.3.0r16b

6.3.0r17

6.3.0r17b

6.3.0r18

6.3.0r18b

6.3.0r19

6.3.0r19b

6.3.0r20

6.3.0r21

<o:p>
 Juniper recommends updating to the latest software.  However to have minimal affect on the network you should upgrade to a equivalent software version while you qualify the latest version of ScreenOS.


Recommended releases are available for download from Juniper Network’s Download Software page . If you experience issues downloading the recommended release, please Contact Support for assistance .


VERIFY IMAGE AUTHENTICATION KEY PRIOR TO UPGRADE: <o:p>

PRIOR TO UPGRADING YOUR SCREENOS RELEASE, PLEASE CONFIRM THAT YOU HAVE THE REQUISITE IMAGE KEY INSTALLED. FAILURE TO UPDATE TO THE CURRENT KEY IMAGE WILL RESULT IN UPGRADE FAILURE.

<o:p>

<o:p>

Information on how to verify your current image key and instructions for upgrading the key please refer to http://kb.juniper.net/TSB16495 [juniper.net] . The Latest image key is available from TSB16495 [juniper.net] , or at  http://www.juniper.net/techpubs/hardware/netscreen-certifications/imagekey.zip .


CUSTOMER SPECIFIC PATCHES

If you are running a Customer Specific Patch (CSP), the version of your CSP follows the standard product version numbers.  Your CSP is affected if the base "R" version is affected.

Examples:
  • If you have a CSP version 6.3.0R10-xxxn, this is built off release 6.3.0R10 and this is not affected.
  • If you have a CSP version 6.3.0R16-xxxn, this is built off release 6.3.0R16 and this is affected.
If your CSP is affected, please contact Juniper Technical Assistance Center for assistance http://www.juniper.net/customers/support/