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POODLE Test for SonicWall management interface and SSL-VPN
03/26/2020 
16 People found this article helpful
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Description
POODLE Test for SonicWall management interface and SSL-VPN
Resolution
The POODLE attack exploits vulnerability in the SSL 3.0 protocol. More particularly, the vulnerability exists when SSL 3.0 uses block ciphers in CBC mode for encryption. There are many online testing tools available to test whether a server is vulnerable. The management interface and the UTM SSL-VPN feature of the SonicWall UTM appliance supports SSL 3.0, TLS 1.0, and from SonicOS 6.2 onwards, TLS 1.1 and TLS 1.2. As of this writing, SSL 3.0 cannot be disabled in the SonicWall UTM appliances. This will cause the tests to the SonicWall to fail and will report the SonicWall as vulnerable.
NOTE: For the below test to work you must have a DNS record setup for your SonicWall's public IP. A dynamic DNS account has been used in this example.
For example, here is a snapshot of an online test run from https://www.ssllabs.com/ssltest, which shows the SonicWall as vulnerable to POODLE:
How to enable RC4-only cipher suites in the SonicWall
After enabling this option, online POODLE tests will show the SonicWall as NOT vulnerable. For example, here is a snapshot of an online test run after enabling this option, which shows the SonicWall as NOT vulnerable to POODLE:
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Categories
- Firewalls > TZ Series
- Firewalls > SonicWall SuperMassive E10000 Series
- Firewalls > SonicWall SuperMassive 9000 Series
- Firewalls > SonicWall NSA Series
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