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             AUSCERT External Security Bulletin Redistribution

           SOL68785753: ImageMagick vulnerability CVE-2015-8898
                             22 November 2016


        AusCERT Security Bulletin Summary

Product:           F5 BIG-IP AAM
                   F5 BIG-IP WebAccelerator
Publisher:         F5 Networks
Operating System:  Network Appliance
Impact/Access:     Denial of Service -- Existing Account
Resolution:        Mitigation
CVE Names:         CVE-2015-8898  

Reference:         ESB-2016.1791

Original Bulletin: 

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SOL68785753: ImageMagick vulnerability CVE-2015-8898

Security Advisory

Original Publication Date: 11/21/2016

Vulnerability Description

** RESERVED ** This candidate has been reserved by an organization or 
individual that will use it when announcing a new security problem. When the 
candidate has been publicized, the details for this candidate will be 
provided. (CVE-2015-8898)


BIG-IP systems that use a WebAcceleration profile configured with the Image 
Optimization settings (BIG-IP AAM and BIG-IP WebAccelerator) are vulnerable to
this issue. An attacker using specially crafted image format files could cause
memory corruption and, potentially, run arbitrary code with restricted user 
privileges, resulting in a denial- of -service (DoS) attack or an application

Security Issue Status

F5 Product Development has assigned ID 599858 (BIG-IP) to this vulnerability.

To determine if your release is known to be vulnerable, the components or 
features that are affected by the vulnerability, and for information about 
releases or hotfixes that address the vulnerability, refer to the following 

Product 		Versions known to be vulnerable 	Versions known to be not vulnerable 	Severity 	Vulnerable component or feature

BIG-IP AAM 		12.0.0 - 12.1.1 			None 					Low 		WebAcceleration profile configured with Image Optimization
		        11.4.0 - 11.6.1

BIG-IP WebAccelerator 	11.2.1 					10.2.1 - 10.2.4 			Low 		WebAcceleration profile configured with Image Optimization

Vulnerability Recommended Actions

If you are running a version listed in the Versions known to be vulnerable 
column, you can eliminate this vulnerability by upgrading to a version listed
in the Versions known to be not vulnerable column. If the table lists only an
older version than what you are currently running, or does not list a 
non-vulnerable version, then no upgrade candidate currently exists.


To mitigate this vulnerability, you can disable image optimization by the 
BIG-IP AAM or BIG-IP WebAccelerator policy, or ensure that only trusted image
files are processed by controlling access to image files on pool members.

Impact of action: Performing the recommended action should not have a negative
impact on your system.

Supplemental Information

SOL9970: Subscribing to email notifications regarding F5 products

SOL9957: Creating a custom RSS feed to view new and updated documents

SOL4602: Overview of the F5 security vulnerability response policy

SOL4918: Overview of the F5 critical issue hotfix policy

The Accelerating Images with Image Optimization chapter of the BIG-IP 
Acceleration: Implementations guide

Note: For information about how to locate F5 product guides, refer to 
SOL12453464: Finding product documentation on AskF5.

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