CVE-2016-6670: Infoleak

Published Sep 7, 2016
·
Updated

Huawei S7700, S9300, S9700, and S12700 devices with software before V200R008C00SPC500 use random numbers with insufficient entropy to generate self-signed certificates, which makes it easier for remote attackers to discover private keys by leveraging knowledge of a certificate.

Affected Software

11 affected components
Huawei Firmware S12700=v200r005c00
Huawei S12700
Huawei S9700 Firmware=v200r003c00
Huawei S9700 Firmware=v200r005c00
Huawei S9700
Huawei S7700 Firmware=v200r003c00
Huawei S7700 Firmware=v200r005c00
Huawei S7700
Huawei S9300 Firmware=v200r003c00
Huawei S9300 Firmware=v200r005c00
Huawei S9300

Event History

Sep 7, 2016
CVE Published
via MITRE·07:00 PM
Data Sourced
via MITRE·07:00 PM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2016-6670?

CVE-2016-6670 is classified as a high severity vulnerability due to insufficient entropy in certificate generation leading to potential private key exposure.

2

How do I fix CVE-2016-6670?

To remediate CVE-2016-6670, upgrade the firmware to version V200R008C00SPC500 or later for affected Huawei devices.

3

Which devices are affected by CVE-2016-6670?

CVE-2016-6670 affects Huawei S7700, S9300, S9700, and S12700 devices running software versions prior to V200R008C00SPC500.

4

What is the impact of exploiting CVE-2016-6670?

Exploitation of CVE-2016-6670 may allow remote attackers to easily discover private keys from self-signed certificates.

5

Is there a workaround for CVE-2016-6670?

No specific workarounds are available for CVE-2016-6670; updating to the recommended firmware version is necessary.

Contact

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