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SWEET32 vulnerability of 64 bit ciphers (3DES/Blowfish) - CVE-2016-2183

03/26/2020 123 People found this article helpful 200,265 Views

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    Description

    A vulnerability scan on the HTTPS management port or SSL-VPN port shows that the SonicWall is vulnerable to the SWEET 32 attack on 64 bit ciphers (3DES/Blowfish)

    Unaffected firmware versions:

    • 6.2.5.2-32n and above
    • 6.2.6.0-20n and above
    • 6.2.7.1-23n and above
    • 5.9.1.8-10o and above

    Affected firmware versions:

    • 6.2.5.1-26n and below
    • 6.1.1.12-41n and below
    • 6.1.2.6-27n and below
    • 5.9.1.7-2o and below
    • 5.8.4.2-13o and below

    Cause

    Previous SonicWall firmware allows the use of 3DES for TLS connections and is therefore vulnerable to the SWEET 32 attack described in CVE-2016-2183.

    Resolution

    This issue has been fixed in the latest general release firmware.

    To download release notes and firmware please visit www.mysonicwall.com. To upgrade SonicOS firmware please see How to Upgrade SonicOS Firmware.

    ISSUE ID:

    177131

    Related Articles

    • Bandwidth usage and tracking in SonicWall
    • How to force an update of the Security Services Signatures from the Firewall GUI
    • Configure Guest VLAN in the TZ firewall, for guest users to access Internet only.

    Categories

    • Firewalls > TZ Series
    • Firewalls > NSa Series

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