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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2016.2098
   sol52439336: FreeType vulnerabilities CVE-2014-9746 and CVE-2014-9747
                             7 September 2016

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           F5 BIG-IP
                   F5 ARX
                   F5 BIG-IQ
Publisher:         F5 Networks
Operating System:  Network Appliance
                   Virtualisation
Impact/Access:     Access Privileged Data -- Remote/Unauthenticated
                   Denial of Service      -- Remote/Unauthenticated
Resolution:        Mitigation
CVE Names:         CVE-2014-9747 CVE-2014-9746 

Reference:         ESB-2015.2556

Original Bulletin: 
   https://support.f5.com/kb/en-us/solutions/public/k/52/sol52439336.html

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sol52439336: FreeType vulnerabilities CVE-2014-9746 and CVE-2014-9747

Security Advisory

Original Publication Date: 09/06/2016

Vulnerability Description

CVE-2014-9746

The (1) t1_parse_font_matrix function in type1/t1load.c, (2) 
cid_parse_font_matrix function in cid/cidload.c, (3) t42_parse_font_matrix 
function in type42/t42parse.c, and (4) ps_parser_load_field function in 
psaux/psobjs.c in FreeType before 2.5.4 do not check return values, which 
allows remote attackers to cause a denial of service (uninitialized memory 
access and application crash) or possibly have unspecified other impact via a
crafted font.

CVE-2014-9747

The t42_parse_encoding function in type42/t42parse.c in FreeType before 2.5.4
does not properly update the current position for immediates-only mode, which
allows remote attackers to cause a denial of service (infinite loop) via a 
Type42 font.

Impact

Parsing certain fonts from untrusted sources may allow the unauthorized 
disclosure of information or a denial-of-service (DoS) attack. BIG-IP and 
BIG-IQ systems are not vulnerable in default configurations.

Security Issue Status

F5 Product Development has assigned ID 611976 (BIG-IP and BIG-IQ) and ID 
513595 (ARX) 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 
table:

Product                         Versions known to be vulnerable    Versions known to be not vulnerable    Severity        Vulnerable component or feature
BIG-IP LTM                      12.0.0 - 12.1.1                    None                                   Low             FreeType font library
                                11.4.0 - 11.6.1
				11.2.1
				10.2.1 - 10.2.4
BIG-IP AAM                      12.0.0 - 12.1.1                    None                                   Low             FreeType font library
                                11.4.0 - 11.6.1
BIG-IP AFM                      12.0.0 - 12.1.1                    None                                   Low             FreeType font library
                                11.4.0 - 11.6.1
BIG-IP Analytics                12.0.0 - 12.1.1                    None                                   Low             FreeType font library
                                11.4.0 - 11.6.1
				11.2.1
BIG-IP APM                      12.0.0 - 12.1.1                    None                                   Low             FreeType font library
                                11.4.0 - 11.6.1
				11.2.1
				10.2.1 - 10.2.4
BIG-IP ASM                      12.0.0 - 12.1.1                    None                                   Low             FreeType font library
                                11.4.0 - 11.6.1
				11.2.1
				10.2.1 - 10.2.4
BIG-IP DNS                      12.0.0 - 12.1.1                    None                                   Low             FreeType font library
BIG-IP Edge Gateway             11.2.1                             None                                   Low             FreeType font library
                                10.2.1 - 10.2.4
BIG-IP GTM                      11.4.0 - 11.6.1                    None                                   Low             FreeType font library
                                11.2.1
				10.2.1 - 10.2.4
BIG-IP Link Controller          12.0.0 - 12.1.1                    None                                   Low             FreeType font library
                                11.4.0 - 11.6.1
				11.2.1
				10.2.1 - 10.2.4
BIG-IP PEM                      12.0.0 - 12.1.1                    None                                   Low             FreeType font library
                                11.4.0 - 11.6.1
BIG-IP PSM                      11.4.0 - 11.4.1                    None                                   Low             FreeType font library
                                10.2.1 - 10.2.4
BIG-IP WebAccelerator           11.2.1                             None                                   Low             FreeType font library
                                10.2.1 - 10.2.4
BIG-IP WOM                      11.2.1                             None                                   Low             FreeType font library
                                10.2.1 - 10.2.4
BIG-IP WebSafe                  None                               12.0.0 - 12.1.0                        Not vulnerable  None
                                                                   11.6.0 - 11.6.1
ARX                             6.2.0 - 6.4.0                      None                                   Low             FreeType font library
Enterprise Manager              None                               3.1.1                                  Not vulnerable  None
FirePass                        None                               7.0.0                                  Not vulnerable  None
BIG-IQ Cloud                    4.0.0 - 4.5.0                      None                                   Low             FreeType font library
BIG-IQ Device                   4.2.0 - 4.5.0                      None                                   Low             FreeType font library
BIG-IQ Security                 4.0.0 - 4.5.0                      None                                   Low             FreeType font library
BIG-IQ ADC                      4.5.0                              None                                   Low             FreeType font library
BIG-IQ Centralized Management   5.0.0                              None                                   Low             FreeType font library
                                4.6.0
BIG-IQ Cloud and Orchestration  None                               1.0.0                                  Not vulnerable  None
F5 iWorkflow                    None                               2.0.0                                  Not vulnerable  None
LineRate                        None                               2.5.0 - 2.6.1                          Not vulnerable  None
Traffix SDC                     None                               5.0.0                                  Not vulnerable  None
                                                                   4.0.0 - 4.4.0

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 determine the necessary upgrade path for your BIG-IQ system, you should 
understand the BIG-IQ product offering name changes. For more information, 
refer to SOL21232150: Considerations for upgrading BIG-IQ or F5 iWorkflow 
systems.

Mitigation

BIG-IP and BIG-IQ

To mitigate this vulnerability for BIG-IP and BIG-IQ systems, you should not 
alter the default configuration to allow the system to parse fonts from 
untrusted sources.

ARX

None

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

    SOL167: Downloading software and firmware from F5

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