CVE-2016-6670 Weak cryptography in n/a
Insufficient entropy in certificate generation allows remote attackers to discover private keys, compromising encrypted communications on Huawei switches.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2016-6670?
CVE-2016-6670 is a medium-severity vulnerability in n/a, published on 7 Sep 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-200
Which versions are affected by CVE-2016-6670?
It affects 4 products.
Products include Huawei S7700 Firmware, Huawei S9300 Firmware, Huawei S9700 Firmware, Huawei Firmware S12700.
How do I fix CVE-2016-6670?
No fix has been published for CVE-2016-6670 yet. Limit exposure of the affected software until one is available.
Is CVE-2016-6670 being exploited?
There is no known exploitation of CVE-2016-6670 in the wild and no public exploit code.
Sources
Also known as GHSA-hhfp-v3gq-7x69.