ESB-2018.1530 - [Appliance] Symantec Content Analysis and Mail Threat Defense: Cross-site request forgery - Remote with user interaction 2018-05-18

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1530
                     CSRF patched in Symantec products
                                18 May 2018

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

Product:           Symantec Content Analysis
                   Symantec Mail Threat Defense
Publisher:         Symantec
Operating System:  Network Appliance
Impact/Access:     Cross-site Request Forgery -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-9092  

Original Bulletin: 
   https://www.symantec.com/security-center/network-protection-security-advisories/SA149

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SA149: CSRF Vulnerability in CA and MTD

Security Advisory ID: SA149
Published Date: May 17, 2018
Advisory Status: Final
Advisory Severity: High
CVSS v2 base score: 8.3 (AV:N/AC:M/Au:N/C:P/I:P/A:C)
CVE Number: CVE-2016-9092

The Symantec Content Analysis (CA) and Mail Threat Defense (MTD) management
consoles are susceptible to a cross-site request forging (CSRF) vulnerability. 
A remote attacker can use phishing or other social engineering techniques to
access the management console with the privileges of an authenticated
administrator user.

Affected Products:

Content Analysis
CA 1.3 and 2.1 are vulnerable.  Only the management console is affected.  CA
2.2 is not vulnerable.

Mail Threat Defense
MTD 1.1 is vulnerable.  Only the management console is affected.

Advisory Details: 

The Content Analysis (CA) and Mail Threat Defense (MTD) management consoles
provide a web UI for appliance administrators to manage and monitor the
respective appliance.  Each management console provides limited functionality
to administrators and does not provide them with access to the underlying
operating system.  The CA and MTD management consoles support web UI browser
clients.  The CA management console also supports custom HTTP-based REST API
clients, such as the Symantec Management Center appliance.

The CA and MTD management consoles are susceptible to a CSRF vulnerability
(CVE-2016-9092).  A remote, unauthenticated attacker can target an
authenticated administrator user with phishing or other social engineering
techniques, and trick them into clicking on a malicious link or visiting a
malicious site.  This allows the attacker to access the management console with
the privileges of the authenticated user.

MTD has been obsoleted by CA and the Symantec Messaging Gateway (SMG). 
Symantec recommends that MTD customers transition to CA 2.2 (or above) and SMG
10.6.3 (or above) to get the latest functionality and vulnerability fixes.

Patches: 

Content Analysis
CA 2.2 - a full fix, which requires CSRF protection for all CA management
console clients, is available in 2.2.1.1.
CA 2.1 - a partial fix is available in 2.1.1.1.  The CA management console web
browser client application opt-ins to use CSRF protection.  A full fix
requiring CSRF protection for all CA management console clients will not be
provided.
CA 1.3 - a partial fix is available in 1.3.7.3.  The CA management console web
browser client application opt-ins to use CSRF protection.  A full fix
requiring CSRF protection for all CA management console clients will not be
provided.

Mail Threat Defense
MTD 1.1 - MTD has been obsoleted by CA and SMG.  A fix for MTD will not be
provided.  Symantec recommends that MTD customers transition to CA 2.2 (or
above) and SMG 10.6.3 (or above) to get the latest functionality and
vulnerability fixes.

References: 

CVE-2016-9092 - https://nvd.nist.gov/vuln/detail/CVE-2016-9092

Advisory History: 

2018-05-17 initial public release

Acknowledgements: 

Thanks to Peter Paccione, Chris Hebert, and Corey Boyd for reporting this
vulnerability.

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