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ESB-2016.0609 - [Appliance] F5 products: Multiple vulnerabilities

Date: 08 March 2016
References: ASB-2016.0004  ESB-2016.0551  ESB-2016.0552  ASB-2016.0018.2  ESB-2016.0569  ESB-2016.0574  ESB-2016.0585  ESB-2016.0591  

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             AUSCERT External Security Bulletin Redistribution

              SOL81903701: Libpng vulnerability CVE-2015-8472
                               8 March 2016


        AusCERT Security Bulletin Summary

Product:           F5 products
Publisher:         F5 Networks
Operating System:  Network Appliance
Impact/Access:     Modify Arbitrary Files   -- Remote/Unauthenticated
                   Denial of Service        -- Remote/Unauthenticated
                   Access Confidential Data -- Remote/Unauthenticated
Resolution:        Mitigation
CVE Names:         CVE-2015-8472 CVE-2015-8126 

Reference:         ASB-2016.0004

Original Bulletin:

- --------------------------BEGIN INCLUDED TEXT--------------------

SOL81903701: Libpng vulnerability CVE-2015-8472

Security Advisory

Original Publication Date: 03/07/2016

Vulnerability Description

Buffer overflow in the png_set_PLTE function in libpng before 1.0.65, 1.1.x 
and 1.2.x before 1.2.55, 1.3.x, 1.4.x before 1.4.18, 1.5.x before 1.5.25, and
1.6.x before 1.6.20 allows remote attackers to cause a denial of service 
(application crash) or possibly have unspecified other impact via a small 
bit-depth value in an IHDR (aka image header) chunk in a PNG image. NOTE: this
vulnerability exists because of an incomplete fix for CVE-2015-8126. 


Allows unauthorized disclosure of information; Allows unauthorized 
modification; Allows disruption of service.

Important: A low severity rating applies when the attack is considered to be 
local only. A medium security rating applies when the APM module is enabled 
and configured with a Citrix VDI backend.

Security Issue Status

F5 Product Development has assigned ID 562159 (BIG-IP), 563839 (BIG-IQ) and 
563842 (Enterprise Manager) to this vulnerability, and has evaluated the 
currently supported releases for potential 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 LTM 		12.0.0					None 					Low 		Local libpng library
			11.0.0 - 11.6.0
			10.1.0 - 10.2.4 			

BIG-IP AAM 		12.0.0					None 					Low 		Local libpng library
			11.4.0 - 11.6.0 

BIG-IP AFM 		12.0.0					None 					Low 		Local libpng library
			11.3.0 - 11.6.0 

BIG-IP Analytics 	12.0.0					None 					Low 		Local libpng library
			11.0.0 - 11.6.0 

BIG-IP APM 		12.0.0					None 					Medium* 	Local libpng library
			11.0.0 - 11.6.0
			10.1.0 - 10.2.4 

BIG-IP ASM 		12.0.0					None 					Low 		Local libpng library
			11.0.0 - 11.6.0
			10.1.0 - 10.2.4 

BIG-IP DNS 		12.0.0 					None 					Low 		Local libpng library

BIG-IP Edge Gateway 	None 					11.0.0 - 11.3.0				Not vulnerable 	None
								10.1.0 - 10.2.4 

BIG-IP GTM 		11.0.0 - 11.6.0				None 					Low 		Local libpng library
			10.1.0 - 10.2.4 

BIG-IP Link Controller 	12.0.0					None 					Low 		Local libpng library
			11.0.0 - 11.6.0
			10.1.0 - 10.2.4 

BIG-IP PEM 		12.0.0					None 					Low 		Local libpng library
			11.3.0 - 11.6.0 

BIG-IP PSM 		11.0.0 - 11.4.1				None 					Low 		Local libpng library
			10.1.0 - 10.2.4 

BIG-IP WebAccelerator 	11.0.0 - 11.3.0				None 					Low 		Local libpng library
			10.1.0 - 10.2.4 

BIG-IP WOM 		11.0.0 - 11.3.0				None 					Low 		Local libpng library
			10.1.0 - 10.2.4 		

ARX 			None 					6.0.0 - 6.4.0 				Not vulnerable 	None

Enterprise Manager 	3.0.0 - 3.1.1 				None 					Low 		Local libpng library

FirePass 		None 					7.0.0					Not vulnerable 	None
								6.0.0 - 6.1.0 

BIG-IQ Cloud 		4.0.0 - 4.5.0 				None 					Low 		Local libpng library

BIG-IQ Device 		4.2.0 - 4.5.0 				None 					Low 		Local libpng library

BIG-IQ Security 	4.0.0 - 4.5.0 				None 					Low 		Local libpng library

BIG-IQ ADC 		4.5.0 					None 					Low 		Local libpng library

BIG-IQ Centralized 
 Management 		4.6.0 					None 					Low 		Local libpng library

BIG-IQ Cloud and 
 Orchestration 		1.0.0 					None 					Low 		Local libpng library

LineRate 		None 					2.5.0 - 2.6.1 				Not vulnerable 	None

F5 WebSafe 		None 					1.0.0 					Not vulnerable 	None

Traffix SDC 		None 					4.0.0 - 4.4.0				Not vulnerable 	None
								3.3.2 - 3.5.1 

Vulnerability Recommended Actions

* BIG-IP APM 10.1.0 - 11.2.1 have a Low severity rating, due to the lack of 
VDI functionality. BIG-IP APM 11.3.0 and later may use the vulnerable 
functionality under specific deployment scenarios. For more information, refer
to the description in the Impact section of this article.

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.

F5 responds to vulnerabilities in accordance with the Severity values 
published in the previous table. The Severity values and other security 
vulnerability parameters are defined in SOL4602: Overview of the F5 security 
vulnerability response policy.

To mitigate this vulnerability for the BIG-IP APM system, ensure that remote 
Citrix resources are trusted.

Impact of action: Performing the recommended mitigation 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

SOL4918: Overview of the F5 critical issue hotfix policy

SOL167: Downloading software and firmware from F5

SOL13123: Managing BIG-IP product hotfixes (11.x - 12.x)

SOL10025: Managing BIG-IP product hotfixes (10.x)

SOL9502: BIG-IP hotfix matrix

SOL15106: Managing BIG-IQ product hotfixes

SOL15113: BIG-IQ hotfix matrix

SOL6664: Obtaining and installing OPSWAT hotfixes

SOL10942: Installing OPSWAT hotfixes on BIG-IP APM systems

- --------------------------END INCLUDED TEXT--------------------

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