CVE-2019-7477: High severity sonicwall sonicos vulnerability

Published Apr 2, 2019
·
Updated

A vulnerability in SonicWall SonicOS and SonicOSv TLS CBC Cipher allow remote attackers to obtain sensitive plaintext data when CBC cipher suites are enabled. This vulnerability affected SonicOS Gen 5 version 5.9.1.10 and earlier, Gen 6 version 6.2.7.3, 6.5.1.3, 6.5.2.2, 6.5.3.1, 6.2.7.8, 6.4.0.0, 6.5.1.8, 6.0.5.3-86o and SonicOSv 6.5.0.2-8vRC363 (VMWARE), 6.5.0.2.8vRC367 (AZURE), SonicOSv 6.5.0.2.8vRC368 (AWS), SonicOSv 6.5.0.2.8vRC366 (HYPERV).

Affected Software

13 affected components
SonicWall SonicOS<=5.9.1.10
SonicWall SonicOS=6.0.5.3-86o
SonicWall SonicOS=6.2.7.3
SonicWall SonicOS=6.2.7.8
SonicWall SonicOS=6.4.0.0
SonicWall SonicOS=6.5.1.3
SonicWall SonicOS=6.5.1.8
SonicWall SonicOS=6.5.2.2
SonicWall SonicOS=6.5.3.1
SonicWall Sonicosv Vmware=6.5.0.2-8v_rc363
SonicWall Sonicosv Hyper V=6.5.0.2.8v_rc366
SonicWall Sonicosv Azure=6.5.0.2.8v_rc367
SonicWall Sonicosv Aws=6.5.0.2.8v_rc368

Event History

Apr 2, 2019
CVE Published
via MITRE·05:20 PM
Data Sourced
via MITRE·05:20 PM
DescriptionWeakness
Data Sourced
via NVD·06:30 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the vulnerability CVE-2019-7477?

CVE-2019-7477 is a vulnerability in SonicWall SonicOS and SonicOSv TLS CBC Cipher that allows remote attackers to obtain sensitive plaintext data when CBC cipher suites are enabled.

2

Which versions of SonicWall SonicOS are affected by CVE-2019-7477?

SonicOS Gen 5 version 5.9.1.10 and earlier, Gen 6 versions 6.2.7.3, 6.5.1.3, 6.5.2.2, 6.5.3.1, 6.2.7.8, 6.4.0.0, and 6.5.1.8 are affected by CVE-2019-7477.

3

What is the severity of CVE-2019-7477?

The severity of CVE-2019-7477 is high, with a severity value of 7.5.

4

How can I fix the vulnerability CVE-2019-7477?

To fix the vulnerability, update SonicOS to a version that is not affected by CVE-2019-7477.

5

Where can I find more information about CVE-2019-7477?

You can find more information about CVE-2019-7477 at the following link: [https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0003](https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0003)

Contact

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