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AUSCERT External Security Bulletin Redistribution
ESB-2017.2827
K64412100: PHP vulnerability CVE-2016-4073
6 November 2017
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: F5 products
Publisher: F5 Networks
Operating System: Network Appliance
Virtualisation
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2016-4073
Reference: ESB-2016.2728
ESB-2016.2007
ESB-2016.1572
ESB-2016.1514
ESB-2016.1235
ESB-2016.1032
Original Bulletin:
https://support.f5.com/csp/article/K64412100
- --------------------------BEGIN INCLUDED TEXT--------------------
K64412100: PHP vulnerability CVE-2016-4073
Security Advisory
Original Publication Date: Aug 30, 2016
Updated Date: Nov 02, 2017
Applies to (see versions):
o Product: BIG-IQ, BIG-IQ Cloud, BIG-IQ Device, BIG-IQ Security, BIG-IQ ADC,
BIG-IQ Centralized Management
- 5.0.0, 4.6.0, 4.5.0, 4.4.0, 4.3.0, 4.2.0, 4.1.0, 4.0.0
o Product: BIG-IP, BIG-IP AAM, BIG-IP AFM, BIG-IP Analytics, BIG-IP APM,
BIG-IP ASM, BIG-IP DNS, BIG-IP Edge Gateway, BIG-IP GTM, BIG-IP Link
Controller, BIG-IP LTM, BIG-IP PEM, BIG-IP PSM, BIG-IP WebAccelerator,
BIG-IP WOM
- 13.0.0, 12.1.2, 12.1.1, 12.1.0, 12.0.0, 11.6.2, 11.6.1, 11.6.0, 11.5.5,
11.5.4, 11.5.3, 11.5.2, 11.5.1, 11.5.0, 11.4.1, 11.4.0, 11.2.1, 10.2.4
o Product: Enterprise Manager
- 3.1.1
o Product: F5 iWorkflow
- 2.0.0
o Product: LineRate
- 2.6.1, 2.6.0, 2.5.2, 2.5.1, 2.5.0
o Product: ARX, ARX
- 6.4.0, 6.3.0, 6.2.0
o Product: FirePass
- 7.0.0
o Product: F5 WebSafe
- 1.0.0
o Product: Traffix SDC
- 4.4.0, 4.1.0, 4.0.5, 4.0.2, 4.0.0
o Product: BIG-IQ Cloud and Orchestration
- 1.0.0
Security Advisory Description
Multiple integer overflows in the mbfl_strcut function in ext/mbstring/libmbfl/
mbfl/mbfilter.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5
allow remote attackers to cause a denial of service (application crash) or
possibly execute arbitrary code via a crafted mb_strcut call. (CVE-2016-4073)
Impact
An attacker may access unauthorized information, run arbitrary code, or cause a
disruption of service. In default configurations, the BIG-IP system is not
vulnerable; however, the vulnerability can be exposed through custom PHP
scripts.
Security Advisory Status
F5 Product Development has assigned ID 592001 (BIG-IP), ID 610450 (BIG-IQ), and
ID 610451 (Enterprise Manager) to this vulnerability. Additionally, BIG-IP
iHealth may list Heuristic H64412100 on the Diagnostics > Identified > Medium
screen.
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:
+---------------+----------------+-----------------+----------+----------------+
| |Versions known |Versions known to| |Vulnerable |
|Product |to be vulnerable|be not vulnerable|Severity |component or |
| | | | |feature |
+---------------+----------------+-----------------+----------+----------------+
| |12.0.0 - 12.1.1 |13.0.0 | | |
|BIG-IP LTM |11.4.0 - 11.6.1 |12.1.2 |Medium |PHP |
| |11.2.1 |11.6.2 | | |
| |10.2.4 | | | |
+---------------+----------------+-----------------+----------+----------------+
| |12.0.0 - 12.1.1 |13.0.0 | | |
|BIG-IP AAM |11.4.0 - 11.6.1 |12.1.2 |Medium |PHP |
| | |11.6.2 | | |
+---------------+----------------+-----------------+----------+----------------+
| |12.0.0 - 12.1.1 |13.0.0 | | |
|BIG-IP AFM |11.4.0 - 11.6.1 |12.1.2 |Medium |PHP |
| | |11.6.2 | | |
+---------------+----------------+-----------------+----------+----------------+
| |12.0.0 - 12.1.1 |13.0.0 | | |
|BIG-IP |11.4.0 - 11.6.1 |12.1.2 |Medium |PHP |
|Analytics |11.2.1 |11.6.2 | | |
| |10.2.4 | | | |
+---------------+----------------+-----------------+----------+----------------+
| |12.0.0 - 12.1.1 |13.0.0 | | |
|BIG-IP APM |11.4.0 - 11.6.1 |12.1.2 |Medium |PHP |
| |11.2.1 |11.6.2 | | |
| |10.2.4 | | | |
+---------------+----------------+-----------------+----------+----------------+
| |12.0.0 - 12.1.1 |13.0.0 | | |
|BIG-IP ASM |11.4.0 - 11.6.1 |12.1.2 |Medium |PHP |
| |11.2.1 |11.6.2 | | |
| |10.2.4 | | | |
+---------------+----------------+-----------------+----------+----------------+
|BIG-IP DNS |12.0.0 - 12.1.1 |13.0.0 |Medium |PHP |
| | |12.1.2 | | |
+---------------+----------------+-----------------+----------+----------------+
|BIG-IP Edge |11.2.1 |None |Medium |PHP |
|Gateway |10.2.4 | | | |
+---------------+----------------+-----------------+----------+----------------+
| |11.4.0 - 11.6.1 | | | |
|BIG-IP GTM |11.2.1 |11.6.2 |Medium |PHP |
| |10.2.4 | | | |
+---------------+----------------+-----------------+----------+----------------+
| |12.0.0 - 12.1.1 |13.0.0 | | |
|BIG-IP Link |11.4.0 - 11.6.1 |12.1.2 |Medium |PHP |
|Controller |11.2.1 |11.6.2 | | |
| |10.2.4 | | | |
+---------------+----------------+-----------------+----------+----------------+
| |12.0.0 - 12.1.1 |13.0.0 | | |
|BIG-IP PEM |11.4.0 - 11.6.1 |12.1.2 |Medium |PHP |
| | |11.6.2 | | |
+---------------+----------------+-----------------+----------+----------------+
| |11.4.0 - 11.4.1 | | | |
|BIG-IP PSM |11.2.1 |None |Medium |PHP |
| |10.2.4 | | | |
+---------------+----------------+-----------------+----------+----------------+
|BIG-IP |11.2.1 |None |Medium |PHP |
|WebAccelerator |10.2.4 | | | |
+---------------+----------------+-----------------+----------+----------------+
|BIG-IP WOM |11.2.1 |None |Medium |PHP |
| |10.2.4 | | | |
+---------------+----------------+-----------------+----------+----------------+
| |12.0.0 - 12.1.1 |13.0.0 | | |
|BIG-IP WebSafe |11.6.0 - 11.6.1 |12.1.2 |Medium |PHP |
| | |11.6.2 | | |
+---------------+----------------+-----------------+----------+----------------+
|ARX |None |6.2.0 - 6.4.0 |Not |None |
| | | |vulnerable| |
+---------------+----------------+-----------------+----------+----------------+
|Enterprise |3.1.1 |None |Medium |PHP |
|Manager | | | | |
+---------------+----------------+-----------------+----------+----------------+
|FirePass |None |7.0.0 |Not |None |
| | | |vulnerable| |
+---------------+----------------+-----------------+----------+----------------+
|BIG-IQ Cloud |4.0.0 - 4.5.0 |None |Medium |PHP |
+---------------+----------------+-----------------+----------+----------------+
|BIG-IQ Device |4.2.0 - 4.5.0 |None |Medium |PHP |
+---------------+----------------+-----------------+----------+----------------+
|BIG-IQ Security|4.0.0 - 4.5.0 |None |Medium |PHP |
+---------------+----------------+-----------------+----------+----------------+
|BIG-IQ ADC |4.5.0 |None |Medium |PHP |
+---------------+----------------+-----------------+----------+----------------+
|BIG-IQ |5.0.0 | | | |
|Centralized |4.6.0 |None |Medium |PHP |
|Management | | | | |
+---------------+----------------+-----------------+----------+----------------+
|BIG-IQ Cloud | | | | |
|and |1.0.0 |None |Medium |PHP |
|Orchestration | | | | |
+---------------+----------------+-----------------+----------+----------------+
|F5 iWorkflow |2.0.0 |None |Medium |PHP |
+---------------+----------------+-----------------+----------+----------------+
|LineRate |None |2.5.0 - 2.6.1 |Not |None |
| | | |vulnerable| |
+---------------+----------------+-----------------+----------+----------------+
|Traffix SDC |None |5.0.0 |Not |None |
| | |4.0.0 - 4.4.0 |vulnerable| |
+---------------+----------------+-----------------+----------+----------------+
Security Advisory 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.
Supplemental Information
o K9970: Subscribing to email notifications regarding F5 products
o K9957: Creating a custom RSS feed to view new and updated documents
o K4602: Overview of the F5 security vulnerability response policy
o K4918: Overview of the F5 critical issue hotfix policy
o K167: Downloading software and firmware from F5
o K13123: Managing BIG-IP product hotfixes (11.x - 13.x)
o K10025: Managing BIG-IP product hotfixes (10.x)
o K9502: BIG-IP hotfix matrix
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