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AUSCERT External Security Bulletin Redistribution
SOL08039035: MySQL vulnerability CVE-2015-4910
15 December 2015
AusCERT Security Bulletin Summary
Product: F5 Enterprise Manager
Publisher: F5 Networks
Operating System: Network Appliance
Impact/Access: Denial of Service -- Existing Account
CVE Names: CVE-2015-4910
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SOL08039035: MySQL vulnerability CVE-2015-4910
Original Publication Date: 12/14/2015
Unspecified vulnerability in Oracle MySQL Server 5.6.26 and earlier allows
remote authenticated users to affect availability via unknown vectors related
to Server : Memcached. (CVE-2015-4910)
This vulnerability may allow remote authenticated users to affect availability
by way of unknown vectors.
However, Enterprise Manager systems have default mitigations in place through
local user authentication requirements and iptables (EM 3.x) that downgrade
the access vector for these vulnerabilities limited to local and authenticated
Security Issue Status
F5 Product Development has assigned ID 556684 (Enterprise Manager) to this
vulnerability, and has evaluated the currently supported releases for
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 Versions known to Severity Vulnerable component
be vulnerable be not vulnerable or feature
Enterprise Manager 3.0.0 - 3.1.1 None Medium None
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.
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 Enterprise Manager, you should permit
management access to F5 products only over a secure network and limit shell
access to only trusted users. For more information, refer to SOL13309:
Restricting access to the Configuration utility by source IP address (11.x -
12.x) and SOL13092: Overview of securing access to the BIG-IP system.
Additionally, for Enterprise Manager, you should avoid enabling the Remote
Access feature to provide remote access to the statistical database. If you
have the Remote Access feature enabled, you should disable it by performing
the following procedure:
Disabling the Remote Access feature
Impact of action: You will no longer be allowed to remotely access the MySQL
1. Log in to the Enterprise Manager Configuration utility.
2. Click Enterprise Management.
3. Navigate to Options > Statistics > Remote Access.
4. Clear the Allow Remote Access check box.
5. Click Save Changes.
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
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